2.0.9-rc6

.circleci/config.yml

@@ -1,114 +0,0 @@
-version: 2.1
-executors:
-  unity:
-    # https://hub.docker.com/r/gableroux/unity3d/tags
-    parameters:
-      version: {type: string}
-    docker:
-      - image: gableroux/unity3d:<< parameters.version >>
-  go:
-    docker:
-      - image: circleci/golang      
-commands:
-  unity_activate:
-    parameters:
-      unity_version: {type: string}
-      unity_license: {type: string}
-    steps:
-      # get activation file, if fail to activate unity, use this key and activate from https://license.unity3d.com/manual
-      - run: apt update && apt install libunwind8 -y
-      - run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -logFile -createManualActivationFile || exit 0
-      - run: cat Unity_v<< parameters.unity_version >>.alf
-      # get from UNITY_LICENSE envvar(base64 encoded(cat foo.ulf | base64 )), this file is generated from above manual activation
-      - run: echo << parameters.unity_license >> | base64 -di  >> .circleci/Unity.ulf
-      - run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -manualLicenseFile .circleci/Unity.ulf || exit 0
-jobs:
-  build-and-test:
-    parameters:
-      unity_version: {type: string}
-      unity_license: {type: string}
-    executor:
-      name: unity
-      version: << parameters.unity_version >>
-    steps:
-      - checkout
-      - unity_activate:
-          unity_version: << parameters.unity_version >>
-          unity_license: << parameters.unity_license >>
-      - run:
-          name: Build Linux(Mono)
-          command: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod UnitTestBuilder.BuildUnitTest /headless /ScriptBackend Mono2x /BuildTarget StandaloneLinux64
-          working_directory: .
-      # TODO:check unity version and packages...
-      # - run: ./bin/UnitTest/StandaloneLinux64_Mono2x/test
-  build-and-create-package:
-    parameters:
-      unity_version: {type: string}
-      unity_license: {type: string}
-    executor:
-      name: unity
-      version: << parameters.unity_version >>
-    steps:
-      - checkout
-      - unity_activate:
-          unity_version: << parameters.unity_version >>
-          unity_license: << parameters.unity_license >>
-      - run:
-          name: Export unitypackage
-          command: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod PackageExporter.Export
-          working_directory: .
-      - store_artifacts:
-          path: ./UniRx.Async.unitypackage
-          destination: /UniRx.Async.unitypackage
-  # upload to github by ghr
-  upload-github:
-    executor: go
-    steps:
-      - attach_workspace:
-          at: .
-      - run: go get github.com/tcnksm/ghr
-      - run: ghr -t ${GITHUB_TOKEN} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} ${CIRCLE_TAG} .
-      - store_artifacts:
-          path: UniRx.Async.unitypackage
-          destination: UniRx.Async.unitypackage          
-workflows:
-  version: 2
-  build-unity:
-    jobs:
-      # does not exists yet.
-      # - build-and-test:
-      #     unity_version: 2019.3.0a2
-      #     unity_license: ${UNITY_LICENSE_2019_3}
-      # - build-and-test:
-      #     unity_version: 2019.2.0b2
-      #     unity_license: ${UNITY_LICENSE_2019_2}
-      - build-and-test:
-          unity_version: 2019.1.2f1
-          unity_license: ${UNITY_LICENSE_2019_1}
-          filters:
-            tags:
-              only: /.*/
-      # test asmdef will not found.
-      # - build-and-test:
-      #     unity_version: 2018.4.0f1
-      #     unity_license: ${UNITY_LICENSE_2018_4}
-      # # UniTask minimum support version is 2018.3(C# 7.x)
-      # - build-and-test:
-      #     unity_version: 2018.3.12f1
-      #     unity_license: ${UNITY_LICENSE_2018_3}
-      - build-and-create-package:
-          unity_version: 2019.1.2f1
-          unity_license: ${UNITY_LICENSE_2019_1}
-          filters:
-            tags:
-              only: /^\d\.\d\.\d.*/
-            branches:
-              ignore: /.*/
-      - upload-github:
-          requires:
-            - build-and-create-package
-          filters:
-            tags:
-              only: /^\d\.\d\.\d.*/
-            branches:
-              ignore: /.*/

.github/workflows/build-debug.yml

@@ -0,0 +1,73 @@
+name: Build-Debug
+
+on:
+  push:
+    branches:
+      - "**"
+    tags:
+      - "!*" # not a tag push
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  build-dotnet:
+    runs-on: ubuntu-latest
+    env:
+      DOTNET_CLI_TELEMETRY_OPTOUT: 1
+      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+      NUGET_XMLDOC_MODE: skip
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 3.1.101
+      - run: dotnet test -c Debug ./src/UniTask.NetCoreTests/UniTask.NetCoreTests.csproj
+
+  build-unity:
+    strategy:
+      matrix:
+        unity: ['2019.3.9f1', '2020.1.0b5']
+        include:
+          - unity: 2019.3.9f1
+            license: UNITY_2019_3
+          - unity: 2020.1.0b5
+            license: UNITY_2020_1
+    runs-on: ubuntu-latest
+    container:
+      # with linux-il2cpp. image from https://hub.docker.com/r/gableroux/unity3d/tags
+      image: gableroux/unity3d:${{ matrix.unity }}-linux-il2cpp
+    steps:
+      - run: apt update && apt install git -y
+      - uses: actions/checkout@v2
+      # create unity activation file and store to artifacts.
+      - run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -logFile -createManualActivationFile || exit 0
+      - uses: actions/upload-artifact@v1
+        with:
+          name: Unity_v${{ matrix.unity }}.alf
+          path: ./Unity_v${{ matrix.unity }}.alf
+      # activate Unity from manual license file(ulf)
+      - run: echo -n "$UNITY_LICENSE" >> .Unity.ulf
+        env:
+          UNITY_LICENSE: ${{ secrets[matrix.license] }}
+      - name: Activate Unity, always returns a success. But if a subsequent run fails, the activation may have failed(if succeeded, shows `Next license update check is after` and not shows other message(like GUID != GUID). If fails not). In that case, upload the artifact's .alf file to https://license.unity3d.com/manual to get the .ulf file and set it to secrets.
+        run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -manualLicenseFile .Unity.ulf || exit 0
+
+      # Execute scripts: RuntimeUnitTestToolkit
+      - name: Build UnitTest(Linux64, mono)
+        run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod UnitTestBuilder.BuildUnitTest /headless /ScriptBackend mono /BuildTarget StandaloneLinux64
+        working-directory: src/UniTask
+      - name: Execute UnitTest
+        run: ./src/UniTask/bin/UnitTest/StandaloneLinux64_Mono2x/test
+
+      # Execute scripts: Export Package
+      - name: Export unitypackage
+        run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod PackageExporter.Export
+        working-directory: src/UniTask
+
+      # Store artifacts.      
+      - uses: actions/upload-artifact@v2
+        with:
+          name: UniTask.unitypackage.zip
+          path: ./src/UniTask/*.unitypackage

.github/workflows/build-release.yml

@@ -0,0 +1,108 @@
+name: Build-Release
+
+on:
+  push:
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+*"
+
+jobs:
+  build-dotnet:
+    runs-on: ubuntu-latest
+    env:
+      DOTNET_CLI_TELEMETRY_OPTOUT: 1
+      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+      NUGET_XMLDOC_MODE: skip
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 3.1.101
+      # set release tag(*.*.*) to env.GIT_TAG
+      - run: echo ::set-env name=GIT_TAG::${GITHUB_REF#refs/tags/}
+
+      # build CommandTools first (use dotnet run command in ZLogger.csproj)
+      - run: dotnet build -c Release ./tools/CommandTools/CommandTools.csproj
+      - run: dotnet build -c Release -p:Version=${{ env.GIT_TAG }}
+      - run: dotnet test -c Release --no-build
+      - run: dotnet pack ./src/ZLogger/ZLogger.csproj -c Release --no-build -p:Version=${{ env.GIT_TAG }}
+
+      # Store artifacts.
+      - uses: actions/upload-artifact@v1
+        with:
+          name: nuget
+          path: ./src/ZLogger/bin/Release/ZLogger.${{ env.GIT_TAG }}.nupkg
+      
+  build-unity:
+    strategy:
+      matrix:
+        unity: ['2019.3.9f1']
+        include:
+          - unity: 2019.3.9f1
+            license: UNITY_2019_3
+    runs-on: ubuntu-latest
+    container:
+      # with linux-il2cpp. image from https://hub.docker.com/r/gableroux/unity3d/tags
+      image: gableroux/unity3d:${{ matrix.unity }}-linux-il2cpp
+    steps:
+      - run: apt update && apt install git -y
+      - uses: actions/checkout@v2
+      - run: echo -n "$UNITY_LICENSE" >> .Unity.ulf
+        env:
+          UNITY_LICENSE: ${{ secrets[matrix.license] }}
+      - run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -manualLicenseFile .Unity.ulf || exit 0
+
+      # set release tag(*.*.*) to env.GIT_TAG
+      - run: echo ::set-env name=GIT_TAG::${GITHUB_REF#refs/tags/}
+
+      # Execute scripts: Export Package
+      - name: Export unitypackage
+        run: /opt/Unity/Editor/Unity -quit -batchmode -nographics -silent-crashes -logFile -projectPath . -executeMethod PackageExporter.Export
+        working-directory: src/ZLogger.Unity
+        env:
+          UNITY_PACKAGE_VERSION: ${{ env.GIT_TAG }}
+
+      # Store artifacts.
+      - uses: actions/upload-artifact@v1
+        with:
+          name: ZLogger.Unity.${{ env.GIT_TAG }}.unitypackage
+          path: ./src/ZLogger.Unity/ZLogger.Unity.${{ env.GIT_TAG }}.unitypackage
+
+  create-release:
+    needs: [build-dotnet, build-unity]
+    runs-on: ubuntu-latest
+    env:
+      DOTNET_CLI_TELEMETRY_OPTOUT: 1
+      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+      NUGET_XMLDOC_MODE: skip
+    steps:
+    # setup dotnet for nuget push
+    - uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.101
+    # set release tag(*.*.*) to env.GIT_TAG
+    - run: echo ::set-env name=GIT_TAG::${GITHUB_REF#refs/tags/}
+
+    # Create Releases
+    - uses: actions/create-release@v1
+      id: create_release
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ github.ref }}
+        release_name: Ver.${{ github.ref }}
+
+    # Download (All) Artifacts to current directory
+    - uses: actions/download-artifact@v2-preview
+
+    # Upload to NuGet
+    - run: dotnet nuget push "./nuget/*.nupkg" -s https://www.nuget.org/api/v2/package -k ${{ secrets.NUGET_KEY }}
+
+    # Upload to Releases(unitypackage)
+    - uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./ZLogger.Unity.${{ env.GIT_TAG }}.unitypackage/ZLogger.Unity.${{ env.GIT_TAG }}.unitypackage
+        asset_name: ZLogger.Unity.${{ env.GIT_TAG }}.unitypackage
+        asset_content_type: application/octet-stream

.github/workflows/toc.yml

@@ -0,0 +1,15 @@
+name: TOC Generator
+
+on:
+  push:
+    paths:
+      - 'README.md'
+
+jobs:
+  generateTOC:
+    name: TOC Generator
+    runs-on: ubuntu-latest
+    steps:
+      - uses: technote-space/toc-generator@v2.4.0
+        with:
+          TOC_TITLE: "## Table of Contents"

README.md

@@ -1,10 +1,29 @@
-# UniTask
+UniTask
-
+===
-[![CircleCI](https://circleci.com/gh/Cysharp/UniTask.svg?style=svg)](https://circleci.com/gh/Cysharp/UniTask)
+[![GitHub Actions](https://github.com/Cysharp/UniTask/workflows/Build-Debug/badge.svg)](https://github.com/Cysharp/UniTask/actions) [![Releases](https://img.shields.io/github/release/Cysharp/UniTask.svg)](https://github.com/Cysharp/UniTask/releases)
 
 Provides an efficient async/await integration to Unity.
 
-> UniTask was included in UniRx before v7 but now completely separated, it no dependent each other.
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+## Table of Contents
+
+- [Getting started](#getting-started)
+- [`UniTask<T>`](#unitaskt)
+- [Cancellation and Exception handling](#cancellation-and-exception-handling)
+- [Progress](#progress)
+- [UniTaskTracker](#unitasktracker)
+- [Reusable Promises](#reusable-promises)
+- [awaitable Events](#awaitable-events)
+- [async void vs async UniTask/UniTaskVoid](#async-void-vs-async-unitaskunitaskvoid)
+- [For Unit Testing](#for-unit-testing)
+- [Method List](#method-list)
+- [UPM Package](#upm-package)
+- [ECS, PlayerLoop](#ecs-playerloop)
+- [License](#license)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
 
 Getting started
 ---
@@ -354,6 +373,15 @@ or add `"com.cysharp.unitask": "https://github.com/Cysharp/UniTask.git?path=Asse
 
 If you want to set a target version, UniTask is using `*.*.*` release tag so you can specify a version like `#1.3.0`. For example `https://github.com/Cysharp/UniTask.git?path=Assets/UniRx.Async#1.3.1`.
 
+ECS, PlayerLoop
+---
+TODO:
+
+```csharp
+var loop = PlayerLoop.GetCurrentPlayerLoop();
+PlayerLoopHelper.Initialize(ref loop);
+```
+
 License
 ---
 This library is under the MIT License.

src/UniTask.NetCore/UniTask.NetCore.csproj

@@ -16,6 +16,7 @@
 ..\UniTask\Assets\Plugins\UniTask\Runtime\Internal\UnityEqualityComparer.cs;
 ..\UniTask\Assets\Plugins\UniTask\Runtime\Internal\DiagnosticsExtensions.cs;
 ..\UniTask\Assets\Plugins\UniTask\Runtime\Internal\PlayerLoopRunner.cs;
+..\UniTask\Assets\Plugins\UniTask\Runtime\Internal\ContinuationQueue.cs;
   
 ..\UniTask\Assets\Plugins\UniTask\Runtime\CancellationTokenSourceExtensions.cs;
 ..\UniTask\Assets\Plugins\UniTask\Runtime\EnumeratorAsyncExtensions.cs;
@@ -27,6 +28,7 @@
 ..\UniTask\Assets\Plugins\UniTask\Runtime\UnityAsyncExtensions.cs;
 ..\UniTask\Assets\Plugins\UniTask\Runtime\UnityAsyncExtensions.uGUI.cs;
 ..\UniTask\Assets\Plugins\UniTask\Runtime\UnityAsyncExtensions.MonoBehaviour.cs;
+..\UniTask\Assets\Plugins\UniTask\Runtime\UnityBindingExtensions.cs;
 " />
     </ItemGroup>
 

src/UniTask.NetCoreSandbox/Program.cs

@@ -15,6 +15,55 @@ using System.Reactive.Concurrency;
 
 namespace NetCoreSandbox
 {
+    public class Text
+    {
+
+        public string text { get; set; }
+    }
+
+    public static partial class UnityUIComponentExtensions
+    {
+        public static void BindTo(this IUniTaskAsyncEnumerable<string> source, Text text)
+        {
+            AAAACORECORE(source, text).Forget();
+
+            async UniTaskVoid AAAACORECORE(IUniTaskAsyncEnumerable<string> source2, Text text2)
+            {
+                var e = source2.GetAsyncEnumerator();
+                try
+                {
+                    while (await e.MoveNextAsync())
+                    {
+                        text2.text = e.Current;
+                        // action(e.Current);
+                    }
+                }
+                finally
+                {
+                    if (e != null)
+                    {
+                        await e.DisposeAsync();
+                    }
+                }
+            }
+        }
+
+        //public static IDisposable SubscribeToText<T>(this IObservable<T> source, Text text)
+        //{
+        //    return source.SubscribeWithState(text, (x, t) => t.text = x.ToString());
+        //}
+
+        //public static IDisposable SubscribeToText<T>(this IObservable<T> source, Text text, Func<T, string> selector)
+        //{
+        //    return source.SubscribeWithState2(text, selector, (x, t, s) => t.text = s(x));
+        //}
+
+        //public static IDisposable SubscribeToInteractable(this IObservable<bool> source, Selectable selectable)
+        //{
+        //    return source.SubscribeWithState(selectable, (x, s) => s.interactable = x);
+        //}
+    }
+
     class Program
     {
         static string FlattenGenArgs(Type type)
@@ -37,29 +86,23 @@ namespace NetCoreSandbox
             await Task.Delay(10, cancellationToken);
         }
 
-        static async Task Main(string[] args)
+
+
+        static void Main(string[] args)
         {
-            await foreach (var item in UniTaskAsyncEnumerable.Range(1, 10)
+
-                .SelectAwait(x => UniTask.Run(() => x))
+            var channel = Channel.CreateSingleConsumerUnbounded<int>();
-                .TakeLast(6)
+
+            // Observable.Range(1,10).CombineLatest(
+
+            var cts = new CancellationTokenSource();
+
+            var token = cts.Token;
+
+            FooAsync(token).ForEachAsync(x => { }, token);
 
 
-
+            // Observable.Range(1,10).CombineLatest(
-                )
-            {
-
-                Console.WriteLine(item);
-            }
-
-// AsyncEnumerable.Range(1,10).FirstAsync(
-            // AsyncEnumerable.Range(1, 10).GroupBy(x=>x).Select(x=>x.first
-
-
-            // AsyncEnumerable.Range(1,10).WithCancellation(CancellationToken.None).WithCancellation
-
-
-            //Enumerable.Range(1,10).ToHashSet(
-
 
         }
 

src/UniTask.NetCoreTests/AsyncReactivePropertyTest.cs

@@ -0,0 +1,118 @@
+using Cysharp.Threading.Tasks;
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Channels;
+using Cysharp.Threading.Tasks.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace NetCoreTests
+{
+    public class AsyncReactivePropertyTest
+    {
+        [Fact]
+        public async Task Iteration()
+        {
+            var rp = new AsyncReactiveProperty<int>(99);
+
+            var f = await rp.FirstAsync();
+            f.Should().Be(99);
+
+            var array = rp.Take(5).ToArrayAsync();
+
+            rp.Value = 100;
+            rp.Value = 100;
+            rp.Value = 100;
+            rp.Value = 131;
+
+            var ar = await array;
+
+            ar.Should().BeEquivalentTo(new[] { 99, 100, 100, 100, 131 });
+        }
+
+        [Fact]
+        public async Task WithoutCurrent()
+        {
+            var rp = new AsyncReactiveProperty<int>(99);
+
+            var array = rp.WithoutCurrent().Take(5).ToArrayAsync();
+
+            rp.Value = 100;
+            rp.Value = 100;
+            rp.Value = 100;
+            rp.Value = 131;
+            rp.Value = 191;
+
+            var ar = await array;
+
+            ar.Should().BeEquivalentTo(new[] { 100, 100, 100, 131, 191 });
+        }
+
+        //[Fact]
+        //public async Task StateIteration()
+        //{
+        //    var rp = new ReadOnlyAsyncReactiveProperty<int>(99);
+        //    var setter = rp.GetSetter();
+
+        //    var f = await rp.FirstAsync();
+        //    f.Should().Be(99);
+
+        //    var array = rp.Take(5).ToArrayAsync();
+
+        //    setter(100);
+        //    setter(100);
+        //    setter(100);
+        //    setter(131);
+
+        //    var ar = await array;
+
+        //    ar.Should().BeEquivalentTo(new[] { 99, 100, 100, 100, 131 });
+        //}
+
+        //[Fact]
+        //public async Task StateWithoutCurrent()
+        //{
+        //    var rp = new ReadOnlyAsyncReactiveProperty<int>(99);
+        //    var setter = rp.GetSetter();
+
+        //    var array = rp.WithoutCurrent().Take(5).ToArrayAsync();
+        //    setter(100);
+        //    setter(100);
+        //    setter(100);
+        //    setter(131);
+        //    setter(191);
+
+        //    var ar = await array;
+
+        //    ar.Should().BeEquivalentTo(new[] { 100, 100, 100, 131, 191 });
+        //}
+
+
+
+        [Fact]
+        public void StateFromEnumeration()
+        {
+            var rp = new AsyncReactiveProperty<int>(10);
+
+            var state = rp.ToReadOnlyAsyncReactiveProperty(CancellationToken.None);
+
+            rp.Value = 10;
+            state.Value.Should().Be(10);
+
+            rp.Value = 20;
+            state.Value.Should().Be(20);
+
+            state.Dispose();
+
+            rp.Value = 30;
+            state.Value.Should().Be(20);
+        }
+
+    }
+
+
+}

src/UniTask.NetCoreTests/CancellationTokenTest.cs

@@ -0,0 +1,51 @@
+using Cysharp.Threading.Tasks;
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Channels;
+using Cysharp.Threading.Tasks.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace NetCoreTests
+{
+    public class CancellationTokenTest
+    {
+        [Fact]
+        public async Task WaitUntilCanceled()
+        {
+            var cts = new CancellationTokenSource();
+
+            cts.CancelAfter(TimeSpan.FromSeconds(1.5));
+
+            var now = DateTime.UtcNow;
+
+            await cts.Token.WaitUntilCanceled();
+
+            var elapsed = DateTime.UtcNow - now;
+
+            elapsed.Should().BeGreaterThan(TimeSpan.FromSeconds(1));
+        }
+
+        [Fact]
+        public void AlreadyCanceled()
+        {
+            var cts = new CancellationTokenSource();
+
+            cts.Cancel();
+
+            cts.Token.WaitUntilCanceled().GetAwaiter().IsCompleted.Should().BeTrue();
+        }
+
+        [Fact]
+        public void None()
+        {
+            CancellationToken.None.WaitUntilCanceled().GetAwaiter().IsCompleted.Should().BeTrue();
+        }
+    }
+
+
+}

src/UniTask.NetCoreTests/ChannelTest.cs

@@ -0,0 +1,370 @@
+using Cysharp.Threading.Tasks;
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Channels;
+using Cysharp.Threading.Tasks.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace NetCoreTests
+{
+    public class ChannelTest
+    {
+        (System.Threading.Channels.Channel<int>, Cysharp.Threading.Tasks.Channel<int>) CreateChannel()
+        {
+            var reference = System.Threading.Channels.Channel.CreateUnbounded<int>(new UnboundedChannelOptions
+            {
+                AllowSynchronousContinuations = true,
+                SingleReader = true,
+                SingleWriter = false
+            });
+
+            var channel = Cysharp.Threading.Tasks.Channel.CreateSingleConsumerUnbounded<int>();
+
+            return (reference, channel);
+        }
+
+        [Fact]
+        public async Task SingleWriteSingleRead()
+        {
+            var (reference, channel) = CreateChannel();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                var t1 = reference.Reader.WaitToReadAsync();
+                var t2 = channel.Reader.WaitToReadAsync();
+
+                t1.IsCompleted.Should().BeFalse();
+                t2.Status.IsCompleted().Should().BeFalse();
+
+                reference.Writer.TryWrite(item);
+                channel.Writer.TryWrite(item);
+
+                (await t1).Should().BeTrue();
+                (await t2).Should().BeTrue();
+
+                reference.Reader.TryRead(out var refitem).Should().BeTrue();
+                channel.Reader.TryRead(out var chanitem).Should().BeTrue();
+                refitem.Should().Be(item);
+                chanitem.Should().Be(item);
+            }
+        }
+
+        [Fact]
+        public async Task MultiWrite()
+        {
+            var (reference, channel) = CreateChannel();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                var t1 = reference.Reader.WaitToReadAsync();
+                var t2 = channel.Reader.WaitToReadAsync();
+
+                t1.IsCompleted.Should().BeFalse();
+                t2.Status.IsCompleted().Should().BeFalse();
+
+                foreach (var i in Enumerable.Range(1, 3))
+                {
+                    reference.Writer.TryWrite(item * i);
+                    channel.Writer.TryWrite(item * i);
+                }
+
+                (await t1).Should().BeTrue();
+                (await t2).Should().BeTrue();
+
+                foreach (var i in Enumerable.Range(1, 3))
+                {
+                    (await reference.Reader.WaitToReadAsync()).Should().BeTrue();
+                    (await channel.Reader.WaitToReadAsync()).Should().BeTrue();
+
+                    reference.Reader.TryRead(out var refitem).Should().BeTrue();
+                    channel.Reader.TryRead(out var chanitem).Should().BeTrue();
+                    refitem.Should().Be(item * i);
+                    chanitem.Should().Be(item * i);
+                }
+            }
+        }
+
+        [Fact]
+        public async Task CompleteOnEmpty()
+        {
+            var (reference, channel) = CreateChannel();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                reference.Writer.TryWrite(item);
+                channel.Writer.TryWrite(item);
+                reference.Reader.TryRead(out var refitem);
+                channel.Reader.TryRead(out var chanitem);
+            }
+
+            // Empty.
+
+            var completion1 = reference.Reader.Completion;
+            var wait1 = reference.Reader.WaitToReadAsync();
+
+            var completion2 = channel.Reader.Completion;
+            var wait2 = channel.Reader.WaitToReadAsync();
+
+            reference.Writer.TryComplete();
+            channel.Writer.TryComplete();
+
+            completion1.Status.Should().Be(TaskStatus.RanToCompletion);
+            completion2.Status.Should().Be(UniTaskStatus.Succeeded);
+
+            (await wait1).Should().BeFalse();
+            (await wait2).Should().BeFalse();
+        }
+
+        [Fact]
+        public async Task CompleteErrorOnEmpty()
+        {
+            var (reference, channel) = CreateChannel();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                reference.Writer.TryWrite(item);
+                channel.Writer.TryWrite(item);
+                reference.Reader.TryRead(out var refitem);
+                channel.Reader.TryRead(out var chanitem);
+            }
+
+            // Empty.
+
+            var completion1 = reference.Reader.Completion;
+            var wait1 = reference.Reader.WaitToReadAsync();
+
+            var completion2 = channel.Reader.Completion;
+            var wait2 = channel.Reader.WaitToReadAsync();
+
+            var ex = new Exception();
+            reference.Writer.TryComplete(ex);
+            channel.Writer.TryComplete(ex);
+
+            completion1.Status.Should().Be(TaskStatus.Faulted);
+            completion2.Status.Should().Be(UniTaskStatus.Faulted);
+
+            (await Assert.ThrowsAsync<Exception>(async () => await wait1)).Should().Be(ex);
+            (await Assert.ThrowsAsync<Exception>(async () => await wait2)).Should().Be(ex);
+        }
+
+        [Fact]
+        public async Task CompleteWithRest()
+        {
+            var (reference, channel) = CreateChannel();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                reference.Writer.TryWrite(item);
+                channel.Writer.TryWrite(item);
+            }
+
+            // Three Item2.
+
+            var completion1 = reference.Reader.Completion;
+            var wait1 = reference.Reader.WaitToReadAsync();
+
+            var completion2 = channel.Reader.Completion;
+            var wait2 = channel.Reader.WaitToReadAsync();
+
+            reference.Writer.TryComplete();
+            channel.Writer.TryComplete();
+
+            // completion1.Status.Should().Be(TaskStatus.WaitingForActivation);
+            completion2.Status.Should().Be(UniTaskStatus.Pending);
+
+            (await wait1).Should().BeTrue();
+            (await wait2).Should().BeTrue();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                reference.Reader.TryRead(out var i1).Should().BeTrue();
+                channel.Reader.TryRead(out var i2).Should().BeTrue();
+                i1.Should().Be(item);
+                i2.Should().Be(item);
+            }
+
+            (await reference.Reader.WaitToReadAsync()).Should().BeFalse();
+            (await channel.Reader.WaitToReadAsync()).Should().BeFalse();
+
+            completion1.Status.Should().Be(TaskStatus.RanToCompletion);
+            completion2.Status.Should().Be(UniTaskStatus.Succeeded);
+        }
+
+
+        [Fact]
+        public async Task CompleteErrorWithRest()
+        {
+            var (reference, channel) = CreateChannel();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                reference.Writer.TryWrite(item);
+                channel.Writer.TryWrite(item);
+            }
+
+            // Three Item2.
+
+            var completion1 = reference.Reader.Completion;
+            var wait1 = reference.Reader.WaitToReadAsync();
+
+            var completion2 = channel.Reader.Completion;
+            var wait2 = channel.Reader.WaitToReadAsync();
+
+            var ex = new Exception();
+            reference.Writer.TryComplete(ex);
+            channel.Writer.TryComplete(ex);
+
+            // completion1.Status.Should().Be(TaskStatus.WaitingForActivation);
+            completion2.Status.Should().Be(UniTaskStatus.Pending);
+
+            (await wait1).Should().BeTrue();
+            (await wait2).Should().BeTrue();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                reference.Reader.TryRead(out var i1).Should().BeTrue();
+                channel.Reader.TryRead(out var i2).Should().BeTrue();
+                i1.Should().Be(item);
+                i2.Should().Be(item);
+            }
+
+            wait1 = reference.Reader.WaitToReadAsync();
+            wait2 = channel.Reader.WaitToReadAsync();
+
+            (await Assert.ThrowsAsync<Exception>(async () => await wait1)).Should().Be(ex);
+            (await Assert.ThrowsAsync<Exception>(async () => await wait2)).Should().Be(ex);
+
+            completion1.Status.Should().Be(TaskStatus.Faulted);
+            completion2.Status.Should().Be(UniTaskStatus.Faulted);
+        }
+
+        [Fact]
+        public async Task Cancellation()
+        {
+            var (reference, channel) = CreateChannel();
+
+            var cts = new CancellationTokenSource();
+
+            var wait1 = reference.Reader.WaitToReadAsync(cts.Token);
+            var wait2 = channel.Reader.WaitToReadAsync(cts.Token);
+
+            cts.Cancel();
+
+            (await Assert.ThrowsAsync<OperationCanceledException>(async () => await wait1)).CancellationToken.Should().Be(cts.Token);
+            (await Assert.ThrowsAsync<OperationCanceledException>(async () => await wait2)).CancellationToken.Should().Be(cts.Token);
+        }
+
+        [Fact]
+        public async Task AsyncEnumerator()
+        {
+            var (reference, channel) = CreateChannel();
+
+            var ta1 = reference.Reader.ReadAllAsync().ToArrayAsync();
+            var ta2 = channel.Reader.ReadAllAsync().ToArrayAsync();
+
+            foreach (var item in new[] { 10, 20, 30 })
+            {
+                reference.Writer.TryWrite(item);
+                channel.Writer.TryWrite(item);
+            }
+
+            reference.Writer.TryComplete();
+            channel.Writer.TryComplete();
+
+            (await ta1).Should().BeEquivalentTo(new[] { 10, 20, 30 });
+            (await ta2).Should().BeEquivalentTo(new[] { 10, 20, 30 });
+        }
+
+        [Fact]
+        public async Task AsyncEnumeratorCancellation()
+        {
+            // Token1, Token2 and Cancel1
+            {
+                var cts1 = new CancellationTokenSource();
+                var cts2 = new CancellationTokenSource();
+
+                var (reference, channel) = CreateChannel();
+
+                var ta1 = reference.Reader.ReadAllAsync(cts1.Token).ToArrayAsync(cts2.Token);
+                var ta2 = channel.Reader.ReadAllAsync(cts1.Token).ToArrayAsync(cts2.Token);
+
+                foreach (var item in new[] { 10, 20, 30 })
+                {
+                    reference.Writer.TryWrite(item);
+                    channel.Writer.TryWrite(item);
+                }
+
+                cts1.Cancel();
+
+                await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta1);
+                (await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta2)).CancellationToken.Should().Be(cts1.Token);
+            }
+            // Token1, Token2 and Cancel2
+            {
+                var cts1 = new CancellationTokenSource();
+                var cts2 = new CancellationTokenSource();
+
+                var (reference, channel) = CreateChannel();
+
+                var ta1 = reference.Reader.ReadAllAsync(cts1.Token).ToArrayAsync(cts2.Token);
+                var ta2 = channel.Reader.ReadAllAsync(cts1.Token).ToArrayAsync(cts2.Token);
+
+                foreach (var item in new[] { 10, 20, 30 })
+                {
+                    reference.Writer.TryWrite(item);
+                    channel.Writer.TryWrite(item);
+                }
+
+                cts2.Cancel();
+
+                await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta1);
+                (await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta2)).CancellationToken.Should().Be(cts2.Token);
+            }
+            // Token1 and Cancel1
+            {
+                var cts1 = new CancellationTokenSource();
+
+                var (reference, channel) = CreateChannel();
+
+                var ta1 = reference.Reader.ReadAllAsync(cts1.Token).ToArrayAsync();
+                var ta2 = channel.Reader.ReadAllAsync(cts1.Token).ToArrayAsync();
+
+                foreach (var item in new[] { 10, 20, 30 })
+                {
+                    reference.Writer.TryWrite(item);
+                    channel.Writer.TryWrite(item);
+                }
+
+                cts1.Cancel();
+
+                await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta1);
+                (await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta2)).CancellationToken.Should().Be(cts1.Token);
+            }
+            // Token2 and Cancel2
+            {
+                var cts2 = new CancellationTokenSource();
+
+                var (reference, channel) = CreateChannel();
+
+                var ta1 = reference.Reader.ReadAllAsync().ToArrayAsync(cts2.Token);
+                var ta2 = channel.Reader.ReadAllAsync().ToArrayAsync(cts2.Token);
+
+                foreach (var item in new[] { 10, 20, 30 })
+                {
+                    reference.Writer.TryWrite(item);
+                    channel.Writer.TryWrite(item);
+                }
+
+                cts2.Cancel();
+
+                await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta1);
+                (await Assert.ThrowsAsync<OperationCanceledException>(async () => await ta2)).CancellationToken.Should().Be(cts2.Token);
+            }
+        }
+    }
+}

src/UniTask.NetCoreTests/DeferTest.cs

@@ -0,0 +1,47 @@
+using Cysharp.Threading.Tasks;
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Channels;
+using Cysharp.Threading.Tasks.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace NetCoreTests
+{
+    public class DeferTest
+    {
+        [Fact]
+        public async Task D()
+        {
+            var created = false;
+            var v = UniTask.Defer(() => { created = true; return UniTask.Run(() => 10); });
+
+            created.Should().BeFalse();
+
+            var t = await v;
+
+            created.Should().BeTrue();
+
+            t.Should().Be(10);
+        }
+
+        [Fact]
+        public async Task D2()
+        {
+            var created = false;
+            var v = UniTask.Defer(() => { created = true; return UniTask.Run(() => 10).AsUniTask(); });
+
+            created.Should().BeFalse();
+
+            await v;
+
+            created.Should().BeTrue();
+        }
+    }
+
+
+}

src/UniTask.NetCoreTests/Linq/Aggregate.cs

@@ -35,7 +35,7 @@ namespace NetCoreTests.Linq
                 xs.Should().Be(ys);
             }
             {
-                var xs = await UniTaskAsyncEnumerable.Range(start, count).SumAwaitCancellationAsync((x, _) => UniTask.Run(() => x));
+                var xs = await UniTaskAsyncEnumerable.Range(start, count).SumAwaitWithCancellationAsync((x, _) => UniTask.Run(() => x));
                 var ys = Enumerable.Range(start, count).Sum(x => x);
                 xs.Should().Be(ys);
             }

src/UniTask.NetCoreTests/Linq/Projection.cs

@@ -319,5 +319,119 @@ namespace NetCoreTests.Linq
                 await Assert.ThrowsAsync<UniTaskTestException>(async () => await ys);
             }
         }
+
+        [Fact]
+        public async Task CombineLatestOK()
+        {
+            var a = new AsyncReactiveProperty<int>(0);
+            var b = new AsyncReactiveProperty<int>(0);
+
+            var list = new List<(int, int)>();
+            var complete = a.WithoutCurrent().CombineLatest(b.WithoutCurrent(), (x, y) => (x, y)).ForEachAsync(x => list.Add(x));
+
+            list.Count.Should().Be(0);
+
+            a.Value = 10;
+            list.Count.Should().Be(0);
+
+            a.Value = 20;
+            list.Count.Should().Be(0);
+
+            b.Value = 1;
+            list.Count.Should().Be(1);
+
+            list[0].Should().Be((20, 1));
+
+            a.Value = 30;
+            list.Last().Should().Be((30, 1));
+
+            b.Value = 2;
+            list.Last().Should().Be((30, 2));
+
+            a.Dispose();
+            b.Value = 3;
+            list.Last().Should().Be((30, 3));
+
+            b.Dispose();
+
+            await complete;
+        }
+
+        [Fact]
+        public async Task CombineLatestLong()
+        {
+            var a = UniTaskAsyncEnumerable.Range(1, 100000);
+            var b = new AsyncReactiveProperty<int>(0);
+
+            var list = new List<(int, int)>();
+            var complete = a.CombineLatest(b.WithoutCurrent(), (x, y) => (x, y)).ForEachAsync(x => list.Add(x));
+
+            b.Value = 1;
+
+            list[0].Should().Be((100000, 1));
+
+            b.Dispose();
+
+            await complete;
+        }
+
+        [Fact]
+        public async Task CombineLatestError()
+        {
+            var a = new AsyncReactiveProperty<int>(0);
+            var b = new AsyncReactiveProperty<int>(0);
+
+            var list = new List<(int, int)>();
+            var complete = a.WithoutCurrent()
+                .Select(x => { if (x == 0) { throw new MyException(); } return x; })
+                .CombineLatest(b.WithoutCurrent(), (x, y) => (x, y)).ForEachAsync(x => list.Add(x));
+
+
+            a.Value = 10;
+            b.Value = 1;
+            list.Last().Should().Be((10, 1));
+
+            a.Value = 0;
+
+            await Assert.ThrowsAsync<MyException>(async () => await complete);
+        }
+
+
+
+        [Fact]
+        public async Task PariwiseImmediate()
+        {
+            var xs = await UniTaskAsyncEnumerable.Range(1, 5).Pairwise().ToArrayAsync();
+            xs.Should().BeEquivalentTo((1, 2), (2, 3), (3, 4), (4, 5));
+        }
+
+        [Fact]
+        public async Task Pariwise()
+        {
+            var a = new AsyncReactiveProperty<int>(0);
+
+            var list = new List<(int, int)>();
+            var complete = a.WithoutCurrent().Pairwise().ForEachAsync(x => list.Add(x));
+
+            list.Count.Should().Be(0);
+            a.Value = 10;
+            list.Count.Should().Be(0);
+            a.Value = 20;
+            list.Count.Should().Be(1);
+            a.Value = 30;
+            a.Value = 40;
+            a.Value = 50;
+
+            a.Dispose();
+
+            await complete;
+
+            list.Should().BeEquivalentTo((10, 20), (20, 30), (30, 40), (40, 50));
+        }
+
+        class MyException : Exception
+        {
+
+        }
     }
 }

src/UniTask.NetCoreTests/Linq/PulbishTest.cs

@@ -0,0 +1,78 @@
+using Cysharp.Threading.Tasks;
+using Cysharp.Threading.Tasks.Linq;
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace NetCoreTests.Linq
+{
+    public class PublishTest
+    {
+        [Fact]
+        public async Task Normal()
+        {
+            var rp = new AsyncReactiveProperty<int>(1);
+
+            var multicast = rp.Publish();
+
+            var a = multicast.ToArrayAsync();
+            var b = multicast.Take(2).ToArrayAsync();
+
+            var disp = multicast.Connect();
+
+            rp.Value = 2;
+
+            (await b).Should().BeEquivalentTo(1, 2);
+
+            var c = multicast.ToArrayAsync();
+
+            rp.Value = 3;
+            rp.Value = 4;
+            rp.Value = 5;
+
+            rp.Dispose();
+
+            (await a).Should().BeEquivalentTo(1, 2, 3, 4, 5);
+            (await c).Should().BeEquivalentTo(3, 4, 5);
+
+            disp.Dispose();
+        }
+
+        [Fact]
+        public async Task Cancel()
+        {
+            var rp = new AsyncReactiveProperty<int>(1);
+
+            var multicast = rp.Publish();
+
+            var a = multicast.ToArrayAsync();
+            var b = multicast.Take(2).ToArrayAsync();
+
+            var disp = multicast.Connect();
+
+            rp.Value = 2;
+
+            (await b).Should().BeEquivalentTo(1, 2);
+
+            var c = multicast.ToArrayAsync();
+
+            rp.Value = 3;
+
+            disp.Dispose();
+
+            rp.Value = 4;
+            rp.Value = 5;
+
+            rp.Dispose();
+
+            await Assert.ThrowsAsync<OperationCanceledException>(async () => await a);
+            await Assert.ThrowsAsync<OperationCanceledException>(async () => await c);
+        }
+
+
+    }
+}

src/UniTask.NetCoreTests/Linq/QueueTest.cs

@@ -0,0 +1,29 @@
+using Cysharp.Threading.Tasks;
+using Cysharp.Threading.Tasks.Linq;
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace NetCoreTests.Linq
+{
+    public class QueueTest
+    {
+        [Fact]
+        public async Task Q()
+        {
+            var rp = new AsyncReactiveProperty<int>(100);
+
+            var l = new List<int>();
+            await rp.Take(10).Queue().ForEachAsync(x =>
+            {
+                rp.Value += 10;
+                l.Add(x);
+            });
+
+            l.Should().BeEquivalentTo(100, 110, 120, 130, 140, 150, 160, 170, 180, 190);
+        }
+    }
+}

src/UniTask.NetCoreTests/Linq/TakeInfinityTest.cs

@@ -0,0 +1,106 @@
+using Cysharp.Threading.Tasks;
+using Cysharp.Threading.Tasks.Linq;
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace NetCoreTests.Linq
+{
+    public class TakeInfinityTest
+    {
+        [Fact]
+        public async Task Take()
+        {
+            var rp = new AsyncReactiveProperty<int>(1);
+
+            var xs = rp.Take(5).ToArrayAsync();
+
+            rp.Value = 2;
+            rp.Value = 3;
+            rp.Value = 4;
+            rp.Value = 5;
+
+            (await xs).Should().BeEquivalentTo(1, 2, 3, 4, 5);
+        }
+
+        [Fact]
+        public async Task TakeWhile()
+        {
+            var rp = new AsyncReactiveProperty<int>(1);
+
+            var xs = rp.TakeWhile(x => x != 5).ToArrayAsync();
+
+            rp.Value = 2;
+            rp.Value = 3;
+            rp.Value = 4;
+            rp.Value = 5;
+
+            (await xs).Should().BeEquivalentTo(1, 2, 3, 4);
+        }
+
+        [Fact]
+        public async Task TakeUntil()
+        {
+            var cts = new CancellationTokenSource();
+
+            var rp = new AsyncReactiveProperty<int>(1);
+
+            var xs = rp.TakeUntilCanceled(cts.Token).ToArrayAsync();
+
+            var c = CancelAsync();
+
+            await c;
+            var foo = await xs;
+
+            foo.Should().BeEquivalentTo(new[] { 1, 10, 20 });
+
+            async Task CancelAsync()
+            {
+                rp.Value = 10;
+                await Task.Yield();
+                rp.Value = 20;
+                await Task.Yield();
+                cts.Cancel();
+                rp.Value = 30;
+                await Task.Yield();
+                rp.Value = 40;
+            }
+        }
+
+        [Fact]
+        public async Task SkipUntil()
+        {
+            var cts = new CancellationTokenSource();
+
+            var rp = new AsyncReactiveProperty<int>(1);
+
+            var xs = rp.SkipUntilCanceled(cts.Token).ToArrayAsync();
+
+            var c = CancelAsync();
+
+            await c;
+            var foo = await xs;
+
+            foo.Should().BeEquivalentTo(new[] { 30, 40 });
+
+            async Task CancelAsync()
+            {
+                rp.Value = 10;
+                await Task.Yield();
+                rp.Value = 20;
+                await Task.Yield();
+                cts.Cancel();
+                rp.Value = 30;
+                await Task.Yield();
+                rp.Value = 40;
+
+                rp.Dispose(); // complete.
+            }
+        }
+
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/AsyncReactiveProperty.cs

@@ -0,0 +1,371 @@
+using Cysharp.Threading.Tasks.Linq;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks
+{
+    public interface IReadOnlyAsyncReactiveProperty<T> : IUniTaskAsyncEnumerable<T>
+    {
+        T Value { get; }
+        IUniTaskAsyncEnumerable<T> WithoutCurrent();
+    }
+
+    public interface IAsyncReactiveProperty<T> : IReadOnlyAsyncReactiveProperty<T>
+    {
+        new T Value { get; set; }
+    }
+
+    [Serializable]
+    public class AsyncReactiveProperty<T> : IAsyncReactiveProperty<T>, IDisposable
+    {
+        TriggerEvent<T> triggerEvent;
+
+#if UNITY_2018_3_OR_NEWER
+        [UnityEngine.SerializeField]
+#endif
+        T latestValue;
+
+        public T Value
+        {
+            get
+            {
+                return latestValue;
+            }
+            set
+            {
+                this.latestValue = value;
+                triggerEvent.SetResult(value);
+            }
+        }
+
+        public AsyncReactiveProperty(T value)
+        {
+            this.latestValue = value;
+            this.triggerEvent = default;
+        }
+
+        public IUniTaskAsyncEnumerable<T> WithoutCurrent()
+        {
+            return new WithoutCurrentEnumerable(this);
+        }
+
+        public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken)
+        {
+            return new Enumerator(this, cancellationToken, true);
+        }
+
+        public void Dispose()
+        {
+            triggerEvent.SetCompleted();
+        }
+
+        public static implicit operator T(AsyncReactiveProperty<T> value)
+        {
+            return value.Value;
+        }
+
+        public override string ToString()
+        {
+            if (isValueType) return latestValue.ToString();
+            return latestValue?.ToString();
+        }
+
+        static bool isValueType;
+
+        static AsyncReactiveProperty()
+        {
+            isValueType = typeof(T).IsValueType;
+        }
+
+        class WithoutCurrentEnumerable : IUniTaskAsyncEnumerable<T>
+        {
+            readonly AsyncReactiveProperty<T> parent;
+
+            public WithoutCurrentEnumerable(AsyncReactiveProperty<T> parent)
+            {
+                this.parent = parent;
+            }
+
+            public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+            {
+                return new Enumerator(parent, cancellationToken, false);
+            }
+        }
+
+        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<T>, ITriggerHandler<T>
+        {
+            static Action<object> cancellationCallback = CancellationCallback;
+
+            readonly AsyncReactiveProperty<T> parent;
+            readonly CancellationToken cancellationToken;
+            readonly CancellationTokenRegistration cancellationTokenRegistration;
+            T value;
+            bool isDisposed;
+            bool firstCall;
+
+            public Enumerator(AsyncReactiveProperty<T> parent, CancellationToken cancellationToken, bool publishCurrentValue)
+            {
+                this.parent = parent;
+                this.cancellationToken = cancellationToken;
+                this.firstCall = publishCurrentValue;
+
+                parent.triggerEvent.Add(this);
+                TaskTracker.TrackActiveTask(this, 3);
+
+                if (cancellationToken.CanBeCanceled)
+                {
+                    cancellationTokenRegistration = cancellationToken.RegisterWithoutCaptureExecutionContext(cancellationCallback, this);
+                }
+            }
+
+            public T Current => value;
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                // raise latest value on first call.
+                if (firstCall)
+                {
+                    firstCall = false;
+                    value = parent.Value;
+                    return CompletedTasks.True;
+                }
+
+                completionSource.Reset();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            public UniTask DisposeAsync()
+            {
+                if (!isDisposed)
+                {
+                    isDisposed = true;
+                    TaskTracker.RemoveTracking(this);
+                    completionSource.TrySetCanceled(cancellationToken);
+                    parent.triggerEvent.Remove(this);
+                }
+                return default;
+            }
+
+            public void OnNext(T value)
+            {
+                this.value = value;
+                completionSource.TrySetResult(true);
+            }
+
+            public void OnCanceled(CancellationToken cancellationToken)
+            {
+                DisposeAsync().Forget();
+            }
+
+            public void OnCompleted()
+            {
+                completionSource.TrySetResult(false);
+            }
+
+            public void OnError(Exception ex)
+            {
+                completionSource.TrySetException(ex);
+            }
+
+            static void CancellationCallback(object state)
+            {
+                var self = (Enumerator)state;
+                self.DisposeAsync().Forget();
+            }
+        }
+    }
+
+    public class ReadOnlyAsyncReactiveProperty<T> : IReadOnlyAsyncReactiveProperty<T>, IDisposable
+    {
+        TriggerEvent<T> triggerEvent;
+
+        T latestValue;
+        IUniTaskAsyncEnumerator<T> enumerator;
+
+        public T Value
+        {
+            get
+            {
+                return latestValue;
+            }
+        }
+
+        public ReadOnlyAsyncReactiveProperty(T initialValue, IUniTaskAsyncEnumerable<T> source, CancellationToken cancellationToken)
+        {
+            latestValue = initialValue;
+            ConsumeEnumerator(source, cancellationToken).Forget();
+        }
+
+        public ReadOnlyAsyncReactiveProperty(IUniTaskAsyncEnumerable<T> source, CancellationToken cancellationToken)
+        {
+            ConsumeEnumerator(source, cancellationToken).Forget();
+        }
+
+        async UniTaskVoid ConsumeEnumerator(IUniTaskAsyncEnumerable<T> source, CancellationToken cancellationToken)
+        {
+            enumerator = source.GetAsyncEnumerator(cancellationToken);
+            try
+            {
+                while (await enumerator.MoveNextAsync())
+                {
+                    var value = enumerator.Current;
+                    this.latestValue = value;
+                    triggerEvent.SetResult(value);
+                }
+            }
+            finally
+            {
+                await enumerator.DisposeAsync();
+                enumerator = null;
+            }
+        }
+
+        public IUniTaskAsyncEnumerable<T> WithoutCurrent()
+        {
+            return new WithoutCurrentEnumerable(this);
+        }
+
+        public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken)
+        {
+            return new Enumerator(this, cancellationToken, true);
+        }
+
+        public void Dispose()
+        {
+            if (enumerator != null)
+            {
+                enumerator.DisposeAsync().Forget();
+            }
+
+            triggerEvent.SetCompleted();
+        }
+
+        public static implicit operator T(ReadOnlyAsyncReactiveProperty<T> value)
+        {
+            return value.Value;
+        }
+
+        public override string ToString()
+        {
+            if (isValueType) return latestValue.ToString();
+            return latestValue?.ToString();
+        }
+
+        static bool isValueType;
+
+        static ReadOnlyAsyncReactiveProperty()
+        {
+            isValueType = typeof(T).IsValueType;
+        }
+
+        class WithoutCurrentEnumerable : IUniTaskAsyncEnumerable<T>
+        {
+            readonly ReadOnlyAsyncReactiveProperty<T> parent;
+
+            public WithoutCurrentEnumerable(ReadOnlyAsyncReactiveProperty<T> parent)
+            {
+                this.parent = parent;
+            }
+
+            public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+            {
+                return new Enumerator(parent, cancellationToken, false);
+            }
+        }
+
+        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<T>, ITriggerHandler<T>
+        {
+            static Action<object> cancellationCallback = CancellationCallback;
+
+            readonly ReadOnlyAsyncReactiveProperty<T> parent;
+            readonly CancellationToken cancellationToken;
+            readonly CancellationTokenRegistration cancellationTokenRegistration;
+            T value;
+            bool isDisposed;
+            bool firstCall;
+
+            public Enumerator(ReadOnlyAsyncReactiveProperty<T> parent, CancellationToken cancellationToken, bool publishCurrentValue)
+            {
+                this.parent = parent;
+                this.cancellationToken = cancellationToken;
+                this.firstCall = publishCurrentValue;
+
+                parent.triggerEvent.Add(this);
+                TaskTracker.TrackActiveTask(this, 3);
+
+                if (cancellationToken.CanBeCanceled)
+                {
+                    cancellationTokenRegistration = cancellationToken.RegisterWithoutCaptureExecutionContext(cancellationCallback, this);
+                }
+            }
+
+            public T Current => value;
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                // raise latest value on first call.
+                if (firstCall)
+                {
+                    firstCall = false;
+                    value = parent.Value;
+                    return CompletedTasks.True;
+                }
+
+                completionSource.Reset();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            public UniTask DisposeAsync()
+            {
+                if (!isDisposed)
+                {
+                    isDisposed = true;
+                    TaskTracker.RemoveTracking(this);
+                    completionSource.TrySetCanceled(cancellationToken);
+                    parent.triggerEvent.Remove(this);
+                }
+                return default;
+            }
+
+            public void OnNext(T value)
+            {
+                this.value = value;
+                completionSource.TrySetResult(true);
+            }
+
+            public void OnCanceled(CancellationToken cancellationToken)
+            {
+                DisposeAsync().Forget();
+            }
+
+            public void OnCompleted()
+            {
+                completionSource.TrySetResult(false);
+            }
+
+            public void OnError(Exception ex)
+            {
+                completionSource.TrySetException(ex);
+            }
+
+            static void CancellationCallback(object state)
+            {
+                var self = (Enumerator)state;
+                self.DisposeAsync().Forget();
+            }
+        }
+    }
+
+    public static class StateExtensions
+    {
+        public static ReadOnlyAsyncReactiveProperty<T> ToReadOnlyAsyncReactiveProperty<T>(this IUniTaskAsyncEnumerable<T> source, CancellationToken cancellationToken)
+        {
+            return new ReadOnlyAsyncReactiveProperty<T>(source, cancellationToken);
+        }
+
+        public static ReadOnlyAsyncReactiveProperty<T> ToReadOnlyAsyncReactiveProperty<T>(this IUniTaskAsyncEnumerable<T> source, T initialValue, CancellationToken cancellationToken)
+        {
+            return new ReadOnlyAsyncReactiveProperty<T>(initialValue, source, cancellationToken);
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/AsyncReactiveProperty.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8ef320b87f537ee4fb2282e765dc6166
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/CancellationTokenExtensions.cs

@@ -1,6 +1,7 @@
 #pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
 
 using System;
+using System.Runtime.CompilerServices;
 using System.Threading;
 
 namespace Cysharp.Threading.Tasks
@@ -9,15 +10,15 @@ namespace Cysharp.Threading.Tasks
     {
         static readonly Action<object> cancellationTokenCallback = Callback;
 
-        public static (UniTask, CancellationTokenRegistration) ToUniTask(this CancellationToken cts)
+        public static (UniTask, CancellationTokenRegistration) ToUniTask(this CancellationToken cancellationToken)
         {
-            if (cts.IsCancellationRequested)
+            if (cancellationToken.IsCancellationRequested)
             {
-                return (UniTask.FromCanceled(cts), default(CancellationTokenRegistration));
+                return (UniTask.FromCanceled(cancellationToken), default(CancellationTokenRegistration));
             }
 
             var promise = new UniTaskCompletionSource();
-            return (promise.Task, cts.RegisterWithoutCaptureExecutionContext(cancellationTokenCallback, promise));
+            return (promise.Task, cancellationToken.RegisterWithoutCaptureExecutionContext(cancellationTokenCallback, promise));
         }
 
         static void Callback(object state)
@@ -26,6 +27,11 @@ namespace Cysharp.Threading.Tasks
             promise.TrySetResult();
         }
 
+        public static CancellationTokenAwaitable WaitUntilCanceled(this CancellationToken cancellationToken)
+        {
+            return new CancellationTokenAwaitable(cancellationToken);
+        }
+
         public static CancellationTokenRegistration RegisterWithoutCaptureExecutionContext(this CancellationToken cancellationToken, Action callback)
         {
             var restoreFlow = false;
@@ -70,5 +76,46 @@ namespace Cysharp.Threading.Tasks
             }
         }
     }
+
+    public struct CancellationTokenAwaitable
+    {
+        CancellationToken cancellationToken;
+
+        public CancellationTokenAwaitable(CancellationToken cancellationToken)
+        {
+            this.cancellationToken = cancellationToken;
+        }
+
+        public Awaiter GetAwaiter()
+        {
+            return new Awaiter(cancellationToken);
+        }
+
+        public struct Awaiter : ICriticalNotifyCompletion
+        {
+            CancellationToken cancellationToken;
+
+            public Awaiter(CancellationToken cancellationToken)
+            {
+                this.cancellationToken = cancellationToken;
+            }
+
+            public bool IsCompleted => !cancellationToken.CanBeCanceled || cancellationToken.IsCancellationRequested;
+
+            public void GetResult()
+            {
+            }
+
+            public void OnCompleted(Action continuation)
+            {
+                UnsafeOnCompleted(continuation);
+            }
+
+            public void UnsafeOnCompleted(Action continuation)
+            {
+                cancellationToken.RegisterWithoutCaptureExecutionContext(continuation);
+            }
+        }
+    }
 }
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Channel.cs

@@ -0,0 +1,450 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks
+{
+    public static class Channel
+    {
+        public static Channel<T> CreateSingleConsumerUnbounded<T>()
+        {
+            return new SingleConsumerUnboundedChannel<T>();
+        }
+    }
+
+    public abstract class Channel<TWrite, TRead>
+    {
+        public ChannelReader<TRead> Reader { get; protected set; }
+        public ChannelWriter<TWrite> Writer { get; protected set; }
+
+        public static implicit operator ChannelReader<TRead>(Channel<TWrite, TRead> channel) => channel.Reader;
+        public static implicit operator ChannelWriter<TWrite>(Channel<TWrite, TRead> channel) => channel.Writer;
+    }
+
+    public abstract class Channel<T> : Channel<T, T>
+    {
+    }
+
+    public abstract class ChannelReader<T>
+    {
+        public abstract bool TryRead(out T item);
+        public abstract UniTask<bool> WaitToReadAsync(CancellationToken cancellationToken = default(CancellationToken));
+
+        public abstract UniTask Completion { get; }
+
+        public virtual UniTask<T> ReadAsync(CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (this.TryRead(out var item))
+            {
+                return UniTask.FromResult(item);
+            }
+
+            return ReadAsyncCore(cancellationToken);
+        }
+
+        async UniTask<T> ReadAsyncCore(CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (await WaitToReadAsync(cancellationToken))
+            {
+                if (TryRead(out var item))
+                {
+                    return item;
+                }
+            }
+
+            throw new ChannelClosedException();
+        }
+
+        public abstract IUniTaskAsyncEnumerable<T> ReadAllAsync(CancellationToken cancellationToken = default(CancellationToken));
+    }
+
+    public abstract class ChannelWriter<T>
+    {
+        public abstract bool TryWrite(T item);
+        public abstract bool TryComplete(Exception error = null);
+
+        public void Complete(Exception error = null)
+        {
+            if (!TryComplete(error))
+            {
+                throw new ChannelClosedException();
+            }
+        }
+    }
+
+    public partial class ChannelClosedException : InvalidOperationException
+    {
+        public ChannelClosedException() :
+            base("Channel is already closed.")
+        { }
+
+        public ChannelClosedException(string message) : base(message) { }
+
+        public ChannelClosedException(Exception innerException) :
+            base("Channel is already closed", innerException)
+        { }
+
+        public ChannelClosedException(string message, Exception innerException) : base(message, innerException) { }
+    }
+
+    internal class SingleConsumerUnboundedChannel<T> : Channel<T>
+    {
+        readonly Queue<T> items;
+        readonly SingleConsumerUnboundedChannelReader readerSource;
+        UniTaskCompletionSource completedTaskSource;
+        UniTask completedTask;
+
+        Exception completionError;
+        bool closed;
+
+        public SingleConsumerUnboundedChannel()
+        {
+            items = new Queue<T>();
+            Writer = new SingleConsumerUnboundedChannelWriter(this);
+            readerSource = new SingleConsumerUnboundedChannelReader(this);
+            Reader = readerSource;
+        }
+
+        sealed class SingleConsumerUnboundedChannelWriter : ChannelWriter<T>
+        {
+            readonly SingleConsumerUnboundedChannel<T> parent;
+
+            public SingleConsumerUnboundedChannelWriter(SingleConsumerUnboundedChannel<T> parent)
+            {
+                this.parent = parent;
+            }
+
+            public override bool TryWrite(T item)
+            {
+                bool waiting;
+                lock (parent.items)
+                {
+                    if (parent.closed) return false;
+
+                    parent.items.Enqueue(item);
+                    waiting = parent.readerSource.isWaiting;
+                }
+
+                if (waiting)
+                {
+                    parent.readerSource.SingalContinuation();
+                }
+
+                return true;
+            }
+
+            public override bool TryComplete(Exception error = null)
+            {
+                bool waiting;
+                lock (parent.items)
+                {
+                    if (parent.closed) return false;
+                    parent.closed = true;
+                    waiting = parent.readerSource.isWaiting;
+
+                    if (parent.items.Count == 0)
+                    {
+                        if (error == null)
+                        {
+                            if (parent.completedTaskSource != null)
+                            {
+                                parent.completedTaskSource.TrySetResult();
+                            }
+                            else
+                            {
+                                parent.completedTask = UniTask.CompletedTask;
+                            }
+                        }
+                        else
+                        {
+                            if (parent.completedTaskSource != null)
+                            {
+                                parent.completedTaskSource.TrySetException(error);
+                            }
+                            else
+                            {
+                                parent.completedTask = UniTask.FromException(error);
+                            }
+                        }
+
+                        if (waiting)
+                        {
+                            parent.readerSource.SingalCompleted(error);
+                        }
+                    }
+
+                    parent.completionError = error;
+                }
+
+                return true;
+            }
+        }
+
+        sealed class SingleConsumerUnboundedChannelReader : ChannelReader<T>, IUniTaskSource<bool>
+        {
+            readonly Action<object> CancellationCallbackDelegate = CancellationCallback;
+            readonly SingleConsumerUnboundedChannel<T> parent;
+
+            CancellationToken cancellationToken;
+            CancellationTokenRegistration cancellationTokenRegistration;
+            UniTaskCompletionSourceCore<bool> core;
+            internal bool isWaiting;
+
+            public SingleConsumerUnboundedChannelReader(SingleConsumerUnboundedChannel<T> parent)
+            {
+                this.parent = parent;
+
+                TaskTracker.TrackActiveTask(this, 4);
+            }
+
+            public override UniTask Completion
+            {
+                get
+                {
+                    if (parent.completedTaskSource != null) return parent.completedTaskSource.Task;
+
+                    if (parent.closed)
+                    {
+                        return parent.completedTask;
+                    }
+
+                    parent.completedTaskSource = new UniTaskCompletionSource();
+                    return parent.completedTaskSource.Task;
+                }
+            }
+
+            public override bool TryRead(out T item)
+            {
+                lock (parent.items)
+                {
+                    if (parent.items.Count != 0)
+                    {
+                        item = parent.items.Dequeue();
+
+                        // complete when all value was consumed.
+                        if (parent.closed && parent.items.Count == 0)
+                        {
+                            if (parent.completionError != null)
+                            {
+                                if (parent.completedTaskSource != null)
+                                {
+                                    parent.completedTaskSource.TrySetException(parent.completionError);
+                                }
+                                else
+                                {
+                                    parent.completedTask = UniTask.FromException(parent.completionError);
+                                }
+                            }
+                            else
+                            {
+                                if (parent.completedTaskSource != null)
+                                {
+                                    parent.completedTaskSource.TrySetResult();
+                                }
+                                else
+                                {
+                                    parent.completedTask = UniTask.CompletedTask;
+                                }
+                            }
+                        }
+                    }
+                    else
+                    {
+                        item = default;
+                        return false;
+                    }
+                }
+
+                return true;
+            }
+
+            public override UniTask<bool> WaitToReadAsync(CancellationToken cancellationToken)
+            {
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    return UniTask.FromCanceled<bool>(cancellationToken);
+                }
+
+                lock (parent.items)
+                {
+                    if (parent.items.Count != 0)
+                    {
+                        return CompletedTasks.True;
+                    }
+
+                    if (parent.closed)
+                    {
+                        if (parent.completionError == null)
+                        {
+                            return CompletedTasks.False;
+                        }
+                        else
+                        {
+                            return UniTask.FromException<bool>(parent.completionError);
+                        }
+                    }
+
+                    cancellationTokenRegistration.Dispose();
+
+                    core.Reset();
+                    isWaiting = true;
+
+                    this.cancellationToken = cancellationToken;
+                    if (this.cancellationToken.CanBeCanceled)
+                    {
+                        cancellationTokenRegistration = this.cancellationToken.RegisterWithoutCaptureExecutionContext(CancellationCallbackDelegate, this);
+                    }
+
+                    return new UniTask<bool>(this, core.Version);
+                }
+            }
+
+            public void SingalContinuation()
+            {
+                core.TrySetResult(true);
+            }
+
+            public void SingalCancellation(CancellationToken cancellationToken)
+            {
+                TaskTracker.RemoveTracking(this);
+                core.TrySetCanceled(cancellationToken);
+            }
+
+            public void SingalCompleted(Exception error)
+            {
+                if (error != null)
+                {
+                    TaskTracker.RemoveTracking(this);
+                    core.TrySetException(error);
+                }
+                else
+                {
+                    TaskTracker.RemoveTracking(this);
+                    core.TrySetResult(false);
+                }
+            }
+
+            public override IUniTaskAsyncEnumerable<T> ReadAllAsync(CancellationToken cancellationToken = default)
+            {
+                return new ReadAllAsyncEnumerable(this, cancellationToken);
+            }
+
+            bool IUniTaskSource<bool>.GetResult(short token)
+            {
+                return core.GetResult(token);
+            }
+
+            void IUniTaskSource.GetResult(short token)
+            {
+                core.GetResult(token);
+            }
+
+            UniTaskStatus IUniTaskSource.GetStatus(short token)
+            {
+                return core.GetStatus(token);
+            }
+
+            void IUniTaskSource.OnCompleted(Action<object> continuation, object state, short token)
+            {
+                core.OnCompleted(continuation, state, token);
+            }
+
+            UniTaskStatus IUniTaskSource.UnsafeGetStatus()
+            {
+                return core.UnsafeGetStatus();
+            }
+
+            static void CancellationCallback(object state)
+            {
+                var self = (SingleConsumerUnboundedChannelReader)state;
+                self.SingalCancellation(self.cancellationToken);
+            }
+
+            sealed class ReadAllAsyncEnumerable : IUniTaskAsyncEnumerable<T>, IUniTaskAsyncEnumerator<T>
+            {
+                readonly Action<object> CancellationCallback1Delegate = CancellationCallback1;
+                readonly Action<object> CancellationCallback2Delegate = CancellationCallback2;
+
+                readonly SingleConsumerUnboundedChannelReader parent;
+                CancellationToken cancellationToken1;
+                CancellationToken cancellationToken2;
+                CancellationTokenRegistration CancellationTokenRegistration1;
+                CancellationTokenRegistration CancellationTokenRegistration2;
+
+                T current;
+                bool cacheValue;
+                bool running;
+
+                public ReadAllAsyncEnumerable(SingleConsumerUnboundedChannelReader parent, CancellationToken cancellationToken)
+                {
+                    this.parent = parent;
+                    this.cancellationToken1 = cancellationToken;
+                }
+
+                public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+                {
+                    if (running)
+                    {
+                        throw new InvalidOperationException("Enumerator is already running, does not allow call GetAsyncEnumerator twice.");
+                    }
+
+                    if (this.cancellationToken1 != cancellationToken)
+                    {
+                        this.cancellationToken2 = cancellationToken;
+                    }
+
+                    if (this.cancellationToken1.CanBeCanceled)
+                    {
+                        this.cancellationToken1.RegisterWithoutCaptureExecutionContext(CancellationCallback1Delegate, this);
+                    }
+
+                    if (this.cancellationToken2.CanBeCanceled)
+                    {
+                        this.cancellationToken2.RegisterWithoutCaptureExecutionContext(CancellationCallback2Delegate, this);
+                    }
+
+                    running = true;
+                    return this;
+                }
+
+                public T Current
+                {
+                    get
+                    {
+                        if (cacheValue)
+                        {
+                            return current;
+                        }
+                        parent.TryRead(out current);
+                        return current;
+                    }
+                }
+
+                public UniTask<bool> MoveNextAsync()
+                {
+                    cacheValue = false;
+                    return parent.WaitToReadAsync(CancellationToken.None); // ok to use None, registered in ctor.
+                }
+
+                public UniTask DisposeAsync()
+                {
+                    CancellationTokenRegistration1.Dispose();
+                    CancellationTokenRegistration2.Dispose();
+                    return default;
+                }
+
+                static void CancellationCallback1(object state)
+                {
+                    var self = (ReadAllAsyncEnumerable)state;
+                    self.parent.SingalCancellation(self.cancellationToken1);
+                }
+
+                static void CancellationCallback2(object state)
+                {
+                    var self = (ReadAllAsyncEnumerable)state;
+                    self.parent.SingalCancellation(self.cancellationToken2);
+                }
+            }
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Channel.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5ceb3107bbdd1f14eb39091273798360
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/IUniTaskAsyncEnumerable.cs

@@ -28,6 +28,12 @@ namespace Cysharp.Threading.Tasks
         IUniTaskOrderedAsyncEnumerable<TElement> CreateOrderedEnumerable<TKey>(Func<TElement, CancellationToken, UniTask<TKey>> keySelector, IComparer<TKey> comparer, bool descending);
     }
 
+    public interface IConnectableUniTaskAsyncEnumerable<out T> : IUniTaskAsyncEnumerable<T>
+    {
+        IDisposable Connect();
+    }
+
+    // don't use AsyncGrouping.
     //public interface IUniTaskAsyncGrouping<out TKey, out TElement> : IUniTaskAsyncEnumerable<TElement>
     //{
     //    TKey Key { get; }

src/UniTask/Assets/Plugins/UniTask/Runtime/Internal/ContinuationQueue.cs

@@ -10,6 +10,8 @@ namespace Cysharp.Threading.Tasks.Internal
         const int MaxArrayLength = 0X7FEFFFFF;
         const int InitialSize = 16;
         
+        readonly PlayerLoopTiming timing;
+
         SpinLock gate = new SpinLock();
         bool dequing = false;
 
@@ -19,6 +21,11 @@ namespace Cysharp.Threading.Tasks.Internal
         int waitingListCount = 0;
         Action[] waitingList = new Action[InitialSize];
 
+        public ContinuationQueue(PlayerLoopTiming timing)
+        {
+            this.timing = timing;
+        }
+
         public void Enqueue(Action continuation)
         {
             bool lockTaken = false;
@@ -72,7 +79,80 @@ namespace Cysharp.Threading.Tasks.Internal
             waitingList = new Action[InitialSize];
         }
 
+        // delegate entrypoint.
         public void Run()
+        {
+            // for debugging, create named stacktrace.
+#if DEBUG
+            switch (timing)
+            {
+                case PlayerLoopTiming.Initialization:
+                    Initialization();
+                    break;
+                case PlayerLoopTiming.LastInitialization:
+                    LastInitialization();
+                    break;
+                case PlayerLoopTiming.EarlyUpdate:
+                    EarlyUpdate();
+                    break;
+                case PlayerLoopTiming.LastEarlyUpdate:
+                    LastEarlyUpdate();
+                    break;
+                case PlayerLoopTiming.FixedUpdate:
+                    FixedUpdate();
+                    break;
+                case PlayerLoopTiming.LastFixedUpdate:
+                    LastFixedUpdate();
+                    break;
+                case PlayerLoopTiming.PreUpdate:
+                    PreUpdate();
+                    break;
+                case PlayerLoopTiming.LastPreUpdate:
+                    LastPreUpdate();
+                    break;
+                case PlayerLoopTiming.Update:
+                    Update();
+                    break;
+                case PlayerLoopTiming.LastUpdate:
+                    LastUpdate();
+                    break;
+                case PlayerLoopTiming.PreLateUpdate:
+                    PreLateUpdate();
+                    break;
+                case PlayerLoopTiming.LastPreLateUpdate:
+                    LastPreLateUpdate();
+                    break;
+                case PlayerLoopTiming.PostLateUpdate:
+                    PostLateUpdate();
+                    break;
+                case PlayerLoopTiming.LastPostLateUpdate:
+                    LastPostLateUpdate();
+                    break;
+                default:
+                    break;
+            }
+#else
+            RunCore();
+#endif
+        }
+
+        void Initialization() => RunCore();
+        void LastInitialization() => RunCore();
+        void EarlyUpdate() => RunCore();
+        void LastEarlyUpdate() => RunCore();
+        void FixedUpdate() => RunCore();
+        void LastFixedUpdate() => RunCore();
+        void PreUpdate() => RunCore();
+        void LastPreUpdate() => RunCore();
+        void Update() => RunCore();
+        void LastUpdate() => RunCore();
+        void PreLateUpdate() => RunCore();
+        void LastPreLateUpdate() => RunCore();
+        void PostLateUpdate() => RunCore();
+        void LastPostLateUpdate() => RunCore();
+
+        [System.Diagnostics.DebuggerHidden]
+        void RunCore()
         {
             {
                 bool lockTaken = false;

src/UniTask/Assets/Plugins/UniTask/Runtime/Internal/PlayerLoopRunner.cs

@@ -8,6 +8,7 @@ namespace Cysharp.Threading.Tasks.Internal
     {
         const int InitialSize = 16;
 
+        readonly PlayerLoopTiming timing;
         readonly object runningAndQueueLock = new object();
         readonly object arrayLock = new object();
         readonly Action<Exception> unhandledExceptionCallback;
@@ -17,9 +18,12 @@ namespace Cysharp.Threading.Tasks.Internal
         IPlayerLoopItem[] loopItems = new IPlayerLoopItem[InitialSize];
         MinimumQueue<IPlayerLoopItem> waitQueue = new MinimumQueue<IPlayerLoopItem>(InitialSize);
 
-        public PlayerLoopRunner()
+
+
+        public PlayerLoopRunner(PlayerLoopTiming timing)
         {
             this.unhandledExceptionCallback = ex => Debug.LogException(ex);
+            this.timing = timing;
         }
 
         public void AddAction(IPlayerLoopItem item)
@@ -55,7 +59,80 @@ namespace Cysharp.Threading.Tasks.Internal
             }
         }
 
+        // delegate entrypoint.
         public void Run()
+        {
+            // for debugging, create named stacktrace.
+#if DEBUG
+            switch (timing)
+            {
+                case PlayerLoopTiming.Initialization:
+                    Initialization();
+                    break;
+                case PlayerLoopTiming.LastInitialization:
+                    LastInitialization();
+                    break;
+                case PlayerLoopTiming.EarlyUpdate:
+                    EarlyUpdate();
+                    break;
+                case PlayerLoopTiming.LastEarlyUpdate:
+                    LastEarlyUpdate();
+                    break;
+                case PlayerLoopTiming.FixedUpdate:
+                    FixedUpdate();
+                    break;
+                case PlayerLoopTiming.LastFixedUpdate:
+                    LastFixedUpdate();
+                    break;
+                case PlayerLoopTiming.PreUpdate:
+                    PreUpdate();
+                    break;
+                case PlayerLoopTiming.LastPreUpdate:
+                    LastPreUpdate();
+                    break;
+                case PlayerLoopTiming.Update:
+                    Update();
+                    break;
+                case PlayerLoopTiming.LastUpdate:
+                    LastUpdate();
+                    break;
+                case PlayerLoopTiming.PreLateUpdate:
+                    PreLateUpdate();
+                    break;
+                case PlayerLoopTiming.LastPreLateUpdate:
+                    LastPreLateUpdate();
+                    break;
+                case PlayerLoopTiming.PostLateUpdate:
+                    PostLateUpdate();
+                    break;
+                case PlayerLoopTiming.LastPostLateUpdate:
+                    LastPostLateUpdate();
+                    break;
+                default:
+                    break;
+            }
+#else
+            RunCore();
+#endif
+        }
+
+        void Initialization() => RunCore();
+        void LastInitialization() => RunCore();
+        void EarlyUpdate() => RunCore();
+        void LastEarlyUpdate() => RunCore();
+        void FixedUpdate() => RunCore();
+        void LastFixedUpdate() => RunCore();
+        void PreUpdate() => RunCore();
+        void LastPreUpdate() => RunCore();
+        void Update() => RunCore();
+        void LastUpdate() => RunCore();
+        void PreLateUpdate() => RunCore();
+        void LastPreLateUpdate() => RunCore();
+        void PostLateUpdate() => RunCore();
+        void LastPostLateUpdate() => RunCore();
+
+        [System.Diagnostics.DebuggerHidden]
+        void RunCore()
         {
             lock (runningAndQueueLock)
             {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Aggregate.cs

@@ -12,7 +12,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
 
-            return Aggregate.InvokeAsync(source, accumulator, cancellationToken);
+            return Aggregate.AggregateAsync(source, accumulator, cancellationToken);
         }
 
         public static UniTask<TAccumulate> AggregateAsync<TSource, TAccumulate>(this IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> accumulator, CancellationToken cancellationToken = default)
@@ -20,7 +20,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
 
-            return Aggregate.InvokeAsync(source, seed, accumulator, cancellationToken);
+            return Aggregate.AggregateAsync(source, seed, accumulator, cancellationToken);
         }
 
         public static UniTask<TResult> AggregateAsync<TSource, TAccumulate, TResult>(this IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> accumulator, Func<TAccumulate, TResult> resultSelector, CancellationToken cancellationToken = default)
@@ -29,7 +29,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
             Error.ThrowArgumentNullException(accumulator, nameof(resultSelector));
 
-            return Aggregate.InvokeAsync(source, seed, accumulator, resultSelector, cancellationToken);
+            return Aggregate.AggregateAsync(source, seed, accumulator, resultSelector, cancellationToken);
         }
 
         public static UniTask<TSource> AggregateAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, UniTask<TSource>> accumulator, CancellationToken cancellationToken = default)
@@ -37,7 +37,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
 
-            return Aggregate.InvokeAsync(source, accumulator, cancellationToken);
+            return Aggregate.AggregateAwaitAsync(source, accumulator, cancellationToken);
         }
 
         public static UniTask<TAccumulate> AggregateAwaitAsync<TSource, TAccumulate>(this IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, UniTask<TAccumulate>> accumulator, CancellationToken cancellationToken = default)
@@ -45,7 +45,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
 
-            return Aggregate.InvokeAsync(source, seed, accumulator, cancellationToken);
+            return Aggregate.AggregateAwaitAsync(source, seed, accumulator, cancellationToken);
         }
 
         public static UniTask<TResult> AggregateAwaitAsync<TSource, TAccumulate, TResult>(this IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, UniTask<TAccumulate>> accumulator, Func<TAccumulate, UniTask<TResult>> resultSelector, CancellationToken cancellationToken = default)
@@ -54,7 +54,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
             Error.ThrowArgumentNullException(accumulator, nameof(resultSelector));
 
-            return Aggregate.InvokeAsync(source, seed, accumulator, resultSelector, cancellationToken);
+            return Aggregate.AggregateAwaitAsync(source, seed, accumulator, resultSelector, cancellationToken);
         }
 
         public static UniTask<TSource> AggregateAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, CancellationToken, UniTask<TSource>> accumulator, CancellationToken cancellationToken = default)
@@ -62,7 +62,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
 
-            return Aggregate.InvokeAsync(source, accumulator, cancellationToken);
+            return Aggregate.AggregateAwaitWithCancellationAsync(source, accumulator, cancellationToken);
         }
 
         public static UniTask<TAccumulate> AggregateAwaitWithCancellationAsync<TSource, TAccumulate>(this IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, CancellationToken, UniTask<TAccumulate>> accumulator, CancellationToken cancellationToken = default)
@@ -70,7 +70,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
 
-            return Aggregate.InvokeAsync(source, seed, accumulator, cancellationToken);
+            return Aggregate.AggregateAwaitWithCancellationAsync(source, seed, accumulator, cancellationToken);
         }
 
         public static UniTask<TResult> AggregateAwaitWithCancellationAsync<TSource, TAccumulate, TResult>(this IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, CancellationToken, UniTask<TAccumulate>> accumulator, Func<TAccumulate, CancellationToken, UniTask<TResult>> resultSelector, CancellationToken cancellationToken = default)
@@ -79,13 +79,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(accumulator, nameof(accumulator));
             Error.ThrowArgumentNullException(accumulator, nameof(resultSelector));
 
-            return Aggregate.InvokeAsync(source, seed, accumulator, resultSelector, cancellationToken);
+            return Aggregate.AggregateAwaitWithCancellationAsync(source, seed, accumulator, resultSelector, cancellationToken);
         }
     }
 
     internal static class Aggregate
     {
-        internal static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, TSource> accumulator, CancellationToken cancellationToken)
+        internal static async UniTask<TSource> AggregateAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, TSource> accumulator, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -116,7 +116,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<TAccumulate> InvokeAsync<TSource, TAccumulate>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> accumulator, CancellationToken cancellationToken)
+        internal static async UniTask<TAccumulate> AggregateAsync<TSource, TAccumulate>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> accumulator, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -138,7 +138,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<TResult> InvokeAsync<TSource, TAccumulate, TResult>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> accumulator, Func<TAccumulate, TResult> resultSelector, CancellationToken cancellationToken)
+        internal static async UniTask<TResult> AggregateAsync<TSource, TAccumulate, TResult>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> accumulator, Func<TAccumulate, TResult> resultSelector, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -162,7 +162,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
         // with async
 
-        internal static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, UniTask<TSource>> accumulator, CancellationToken cancellationToken)
+        internal static async UniTask<TSource> AggregateAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, UniTask<TSource>> accumulator, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -193,7 +193,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<TAccumulate> InvokeAsync<TSource, TAccumulate>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, UniTask<TAccumulate>> accumulator, CancellationToken cancellationToken)
+        internal static async UniTask<TAccumulate> AggregateAwaitAsync<TSource, TAccumulate>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, UniTask<TAccumulate>> accumulator, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -215,7 +215,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<TResult> InvokeAsync<TSource, TAccumulate, TResult>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, UniTask<TAccumulate>> accumulator, Func<TAccumulate, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
+        internal static async UniTask<TResult> AggregateAwaitAsync<TSource, TAccumulate, TResult>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, UniTask<TAccumulate>> accumulator, Func<TAccumulate, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -240,7 +240,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
         // with cancellation
 
-        internal static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, CancellationToken, UniTask<TSource>> accumulator, CancellationToken cancellationToken)
+        internal static async UniTask<TSource> AggregateAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TSource, CancellationToken, UniTask<TSource>> accumulator, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -271,7 +271,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<TAccumulate> InvokeAsync<TSource, TAccumulate>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, CancellationToken, UniTask<TAccumulate>> accumulator, CancellationToken cancellationToken)
+        internal static async UniTask<TAccumulate> AggregateAwaitWithCancellationAsync<TSource, TAccumulate>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, CancellationToken, UniTask<TAccumulate>> accumulator, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -293,7 +293,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<TResult> InvokeAsync<TSource, TAccumulate, TResult>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, CancellationToken, UniTask<TAccumulate>> accumulator, Func<TAccumulate, CancellationToken, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
+        internal static async UniTask<TResult> AggregateAwaitWithCancellationAsync<TSource, TAccumulate, TResult>(IUniTaskAsyncEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, CancellationToken, UniTask<TAccumulate>> accumulator, Func<TAccumulate, CancellationToken, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/All.cs

@@ -11,7 +11,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return All.InvokeAsync(source, predicate, cancellationToken);
+            return All.AllAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<Boolean> AllAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -19,7 +19,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return All.InvokeAsync(source, predicate, cancellationToken);
+            return All.AllAwaitAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<Boolean> AllAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -27,13 +27,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return All.InvokeAsync(source, predicate, cancellationToken);
+            return All.AllAwaitWithCancellationAsync(source, predicate, cancellationToken);
         }
     }
 
     internal static class All
     {
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<bool> AllAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -57,7 +57,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<bool> AllAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -81,7 +81,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<bool> AllAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Any.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Any.InvokeAsync(source, cancellationToken);
+            return Any.AnyAsync(source, cancellationToken);
         }
 
         public static UniTask<Boolean> AnyAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Any.InvokeAsync(source, predicate, cancellationToken);
+            return Any.AnyAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<Boolean> AnyAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -26,7 +26,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Any.InvokeAsync(source, predicate, cancellationToken);
+            return Any.AnyAwaitAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<Boolean> AnyAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -34,13 +34,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Any.InvokeAsync(source, predicate, cancellationToken);
+            return Any.AnyAwaitWithCancellationAsync(source, predicate, cancellationToken);
         }
     }
 
     internal static class Any
     {
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        internal static async UniTask<bool> AnyAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -61,7 +61,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<bool> AnyAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -85,7 +85,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<bool> AnyAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -109,7 +109,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<bool> AnyAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/AppendPrepend.cs

@@ -36,10 +36,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, element, append, cancellationToken);
+            return new _AppendPrepend(source, element, append, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        sealed class _AppendPrepend : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
             enum State : byte
             {
@@ -59,12 +59,14 @@ namespace Cysharp.Threading.Tasks.Linq
             IUniTaskAsyncEnumerator<TSource> enumerator;
             UniTask<bool>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, TSource element, bool append, CancellationToken cancellationToken)
+            public _AppendPrepend(IUniTaskAsyncEnumerable<TSource> source, TSource element, bool append, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.element = element;
                 this.state = append ? State.RequireAppend : State.RequirePrepend;
                 this.cancellationToken = cancellationToken;
+
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TSource Current { get; private set; }
@@ -108,7 +110,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_AppendPrepend)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -136,6 +138,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/AsyncEnumeratorBase.cs

@@ -76,6 +76,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             this.source = source;
             this.cancellationToken = cancellationToken;
+            TaskTracker.TrackActiveTask(this, 4);
         }
 
         // abstract
@@ -178,6 +179,7 @@ namespace Cysharp.Threading.Tasks.Linq
         // if require additional resource to dispose, override and call base.DisposeAsync.
         public virtual UniTask DisposeAsync()
         {
+            TaskTracker.RemoveTracking(this);
             if (enumerator != null)
             {
                 return enumerator.DisposeAsync();
@@ -204,6 +206,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             this.source = source;
             this.cancellationToken = cancellationToken;
+            TaskTracker.TrackActiveTask(this, 4);
         }
 
         // abstract
@@ -399,6 +402,7 @@ namespace Cysharp.Threading.Tasks.Linq
         // if require additional resource to dispose, override and call base.DisposeAsync.
         public virtual UniTask DisposeAsync()
         {
+            TaskTracker.RemoveTracking(this);
             if (enumerator != null)
             {
                 return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Average.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<double> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32> selector, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32>> selector, CancellationToken cancellationToken = default)
@@ -26,22 +26,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<double> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<double> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double> AverageAsync(this IUniTaskAsyncEnumerable<Int64> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<double> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64> selector, CancellationToken cancellationToken = default)
@@ -49,7 +49,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64>> selector, CancellationToken cancellationToken = default)
@@ -57,22 +57,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<double> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<double> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<float> AverageAsync(this IUniTaskAsyncEnumerable<Single> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<float> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single> selector, CancellationToken cancellationToken = default)
@@ -80,7 +80,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<float> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single>> selector, CancellationToken cancellationToken = default)
@@ -88,22 +88,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<float> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<float> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double> AverageAsync(this IUniTaskAsyncEnumerable<Double> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<double> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double> selector, CancellationToken cancellationToken = default)
@@ -111,7 +111,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double>> selector, CancellationToken cancellationToken = default)
@@ -119,22 +119,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<double> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<double> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<decimal> AverageAsync(this IUniTaskAsyncEnumerable<Decimal> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<decimal> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal> selector, CancellationToken cancellationToken = default)
@@ -142,7 +142,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<decimal> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal>> selector, CancellationToken cancellationToken = default)
@@ -150,22 +150,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<decimal> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<decimal> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double?> AverageAsync(this IUniTaskAsyncEnumerable<Int32?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<double?> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32?> selector, CancellationToken cancellationToken = default)
@@ -173,7 +173,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double?> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32?>> selector, CancellationToken cancellationToken = default)
@@ -181,22 +181,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<double?> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<double?> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double?> AverageAsync(this IUniTaskAsyncEnumerable<Int64?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<double?> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64?> selector, CancellationToken cancellationToken = default)
@@ -204,7 +204,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double?> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64?>> selector, CancellationToken cancellationToken = default)
@@ -212,22 +212,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<double?> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<double?> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<float?> AverageAsync(this IUniTaskAsyncEnumerable<Single?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<float?> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single?> selector, CancellationToken cancellationToken = default)
@@ -235,7 +235,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<float?> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single?>> selector, CancellationToken cancellationToken = default)
@@ -243,22 +243,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<float?> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<float?> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double?> AverageAsync(this IUniTaskAsyncEnumerable<Double?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<double?> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double?> selector, CancellationToken cancellationToken = default)
@@ -266,7 +266,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<double?> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double?>> selector, CancellationToken cancellationToken = default)
@@ -274,22 +274,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<double?> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<double?> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<decimal?> AverageAsync(this IUniTaskAsyncEnumerable<Decimal?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<decimal?> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal?> selector, CancellationToken cancellationToken = default)
@@ -297,7 +297,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<decimal?> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal?>> selector, CancellationToken cancellationToken = default)
@@ -305,22 +305,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<decimal?> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<decimal?> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
     }
 
     internal static class Average
     {
-        public static async UniTask<double> InvokeAsync(IUniTaskAsyncEnumerable<Int32> source, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAsync(IUniTaskAsyncEnumerable<Int32> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32 sum = 0;
@@ -348,7 +348,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32 sum = 0;
@@ -376,7 +376,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32 sum = 0;
@@ -404,7 +404,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32 sum = 0;
@@ -432,7 +432,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync(IUniTaskAsyncEnumerable<Int64> source, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAsync(IUniTaskAsyncEnumerable<Int64> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64 sum = 0;
@@ -460,7 +460,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64 sum = 0;
@@ -488,7 +488,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64 sum = 0;
@@ -516,7 +516,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64 sum = 0;
@@ -544,7 +544,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<float> InvokeAsync(IUniTaskAsyncEnumerable<Single> source, CancellationToken cancellationToken)
+        public static async UniTask<float> AverageAsync(IUniTaskAsyncEnumerable<Single> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Single sum = 0;
@@ -572,7 +572,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<float> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single> selector, CancellationToken cancellationToken)
+        public static async UniTask<float> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Single sum = 0;
@@ -600,7 +600,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<float> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single>> selector, CancellationToken cancellationToken)
+        public static async UniTask<float> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Single sum = 0;
@@ -628,7 +628,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<float> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken)
+        public static async UniTask<float> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Single sum = 0;
@@ -656,7 +656,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<double> InvokeAsync(IUniTaskAsyncEnumerable<Double> source, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAsync(IUniTaskAsyncEnumerable<Double> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Double sum = 0;
@@ -684,7 +684,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Double sum = 0;
@@ -712,7 +712,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Double sum = 0;
@@ -740,7 +740,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Double sum = 0;
@@ -768,7 +768,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal> InvokeAsync(IUniTaskAsyncEnumerable<Decimal> source, CancellationToken cancellationToken)
+        public static async UniTask<decimal> AverageAsync(IUniTaskAsyncEnumerable<Decimal> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal sum = 0;
@@ -796,7 +796,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal> selector, CancellationToken cancellationToken)
+        public static async UniTask<decimal> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal sum = 0;
@@ -824,7 +824,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal>> selector, CancellationToken cancellationToken)
+        public static async UniTask<decimal> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal sum = 0;
@@ -852,7 +852,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken)
+        public static async UniTask<decimal> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal sum = 0;
@@ -880,7 +880,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync(IUniTaskAsyncEnumerable<Int32?> source, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAsync(IUniTaskAsyncEnumerable<Int32?> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32? sum = 0;
@@ -912,7 +912,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32?> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32?> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32? sum = 0;
@@ -944,7 +944,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32? sum = 0;
@@ -976,7 +976,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int32? sum = 0;
@@ -1008,7 +1008,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync(IUniTaskAsyncEnumerable<Int64?> source, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAsync(IUniTaskAsyncEnumerable<Int64?> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64? sum = 0;
@@ -1040,7 +1040,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64?> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64?> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64? sum = 0;
@@ -1072,7 +1072,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64? sum = 0;
@@ -1104,7 +1104,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Int64? sum = 0;
@@ -1136,7 +1136,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (double)sum / count;
         }
 
-        public static async UniTask<float?> InvokeAsync(IUniTaskAsyncEnumerable<Single?> source, CancellationToken cancellationToken)
+        public static async UniTask<float?> AverageAsync(IUniTaskAsyncEnumerable<Single?> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Single? sum = 0;
@@ -1168,7 +1168,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<float?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single?> selector, CancellationToken cancellationToken)
+        public static async UniTask<float?> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single?> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Single? sum = 0;
@@ -1200,7 +1200,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<float?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<float?> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Single? sum = 0;
@@ -1232,7 +1232,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<float?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<float?> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Single? sum = 0;
@@ -1264,7 +1264,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return (float)(sum / count);
         }
 
-        public static async UniTask<double?> InvokeAsync(IUniTaskAsyncEnumerable<Double?> source, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAsync(IUniTaskAsyncEnumerable<Double?> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Double? sum = 0;
@@ -1296,7 +1296,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double?> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double?> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Double? sum = 0;
@@ -1328,7 +1328,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Double? sum = 0;
@@ -1360,7 +1360,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<double?> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Double? sum = 0;
@@ -1392,7 +1392,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal?> InvokeAsync(IUniTaskAsyncEnumerable<Decimal?> source, CancellationToken cancellationToken)
+        public static async UniTask<decimal?> AverageAsync(IUniTaskAsyncEnumerable<Decimal?> source, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal? sum = 0;
@@ -1424,7 +1424,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal?> selector, CancellationToken cancellationToken)
+        public static async UniTask<decimal?> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal?> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal? sum = 0;
@@ -1456,7 +1456,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<decimal?> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal? sum = 0;
@@ -1488,7 +1488,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum / count;
         }
 
-        public static async UniTask<decimal?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<decimal?> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             Decimal? sum = 0;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Average.tt

@@ -39,7 +39,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Average.InvokeAsync(source, cancellationToken);
+            return Average.AverageAsync(source, cancellationToken);
         }
 
         public static UniTask<<#= ret #>> AverageAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken = default)
@@ -47,7 +47,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<<#= ret #>> AverageAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
@@ -55,15 +55,15 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<<#= ret #>> AverageAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<<#= ret #>> AverageAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Average.InvokeAsync(source, selector, cancellationToken);
+            return Average.AverageAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
 <# } #>
@@ -72,7 +72,7 @@ namespace Cysharp.Threading.Tasks.Linq
     internal static class Average
     {
 <# foreach(var (t, ret) in types) { #>
-        public static async UniTask<<#= ret #>> InvokeAsync(IUniTaskAsyncEnumerable<<#= TypeName(t) #>> source, CancellationToken cancellationToken)
+        public static async UniTask<<#= ret #>> AverageAsync(IUniTaskAsyncEnumerable<<#= TypeName(t) #>> source, CancellationToken cancellationToken)
         {
             long count = 0;
             <#= TypeName(t) #> sum = 0;
@@ -112,7 +112,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return <#= CalcResult(t) #>;
         }
 
-        public static async UniTask<<#= ret #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= ret #>> AverageAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             <#= TypeName(t) #> sum = 0;
@@ -152,7 +152,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return <#= CalcResult(t) #>;
         }
 
-        public static async UniTask<<#= ret #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= ret #>> AverageAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             <#= TypeName(t) #> sum = 0;
@@ -192,7 +192,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return <#= CalcResult(t) #>;
         }
 
-        public static async UniTask<<#= ret #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= ret #>> AverageAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
         {
             long count = 0;
             <#= TypeName(t) #> sum = 0;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Buffer.cs

@@ -38,10 +38,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<IList<TSource>> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, count, cancellationToken);
+            return new _Buffer(source, count, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<IList<TSource>>
+        sealed class _Buffer : MoveNextSource, IUniTaskAsyncEnumerator<IList<TSource>>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -56,11 +56,13 @@ namespace Cysharp.Threading.Tasks.Linq
             bool completed;
             List<TSource> buffer;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
+            public _Buffer(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.count = count;
                 this.cancellationToken = cancellationToken;
+
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public IList<TSource> Current { get; private set; }
@@ -128,7 +130,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_Buffer)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -167,6 +169,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();
@@ -191,10 +194,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<IList<TSource>> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, count, skip, cancellationToken);
+            return new _BufferSkip(source, count, skip, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<IList<TSource>>
+        sealed class _BufferSkip : MoveNextSource, IUniTaskAsyncEnumerator<IList<TSource>>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -211,12 +214,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Queue<List<TSource>> buffers;
             int index = 0;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, int count, int skip, CancellationToken cancellationToken)
+            public _BufferSkip(IUniTaskAsyncEnumerable<TSource> source, int count, int skip, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.count = count;
                 this.skip = skip;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public IList<TSource> Current { get; private set; }
@@ -282,7 +286,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_BufferSkip)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -329,6 +333,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Cast.cs

@@ -25,12 +25,12 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, cancellationToken);
+            return new _Cast(source, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<object, TResult>
+        class _Cast : AsyncEnumeratorBase<object, TResult>
         {
-            public Enumerator(IUniTaskAsyncEnumerable<object> source, CancellationToken cancellationToken)
+            public _Cast(IUniTaskAsyncEnumerable<object> source, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/CombineLatest.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6cb07f6e88287e34d9b9301a572284a5
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/CombineLatest.tt

@@ -0,0 +1,219 @@
+<#@ template debug="false" hostspecific="false" language="C#" #>
+<#@ assembly name="System.Core" #>
+<#@ import namespace="System.Linq" #>
+<#@ import namespace="System.Text" #>
+<#@ import namespace="System.Collections.Generic" #>
+<#@ output extension=".cs" #>
+<#
+    var tMax = 15;
+    Func<int, string> typeArgs = x => string.Join(", ", Enumerable.Range(1, x).Select(x => $"T{x}")) + ", TResult";
+    Func<int, string> paramArgs = x => string.Join(", ", Enumerable.Range(1, x).Select(x => $"IUniTaskAsyncEnumerable<T{x}> source{x}"));
+    Func<int, string> parameters = x => string.Join(", ", Enumerable.Range(1, x).Select(x => $"source{x}"));
+
+
+#>
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+<# for(var i = 2; i <= tMax; i++) { #>
+        public static IUniTaskAsyncEnumerable<TResult> CombineLatest<<#= typeArgs(i) #>>(this <#= paramArgs(i) #>, Func<<#= typeArgs(i) #>> resultSelector)
+        {
+<# for(var j = 1; j <= i; j++) { #>
+            Error.ThrowArgumentNullException(source<#= j #>, nameof(source<#= j #>));
+<# } #>
+            Error.ThrowArgumentNullException(resultSelector, nameof(resultSelector));
+
+            return new CombineLatest<<#= typeArgs(i) #>>(<#= parameters(i) #>, resultSelector);
+        }
+
+<# } #>
+    }
+
+<# for(var i = 2; i <= tMax; i++) { #>
+    internal class CombineLatest<<#= typeArgs(i) #>> : IUniTaskAsyncEnumerable<TResult>
+    {
+<# for(var j = 1; j <= i; j++) { #>
+        readonly IUniTaskAsyncEnumerable<T<#= j #>> source<#= j #>;
+<# } #>        
+        readonly Func<<#= typeArgs(i) #>> resultSelector;
+
+        public CombineLatest(<#= paramArgs(i) #>, Func<<#= typeArgs(i) #>> resultSelector)
+        {
+<# for(var j = 1; j <= i; j++) { #>
+            this.source<#= j #> = source<#= j #>;
+<# } #>        
+            this.resultSelector = resultSelector;
+        }
+
+        public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _CombineLatest(<#= parameters(i) #>, resultSelector, cancellationToken);
+        }
+
+        class _CombineLatest : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        {
+<# for(var j = 1; j <= i; j++) { #>
+            static readonly Action<object> Completed<#= j #>Delegate = Completed<#= j #>;
+<# } #>
+            const int CompleteCount = <#= i #>;
+
+<# for(var j = 1; j <= i; j++) { #>
+            readonly IUniTaskAsyncEnumerable<T<#= j #>> source<#= j #>;
+<# } #>       
+            readonly Func<<#= typeArgs(i) #>> resultSelector;
+            CancellationToken cancellationToken;
+
+<# for(var j = 1; j <= i; j++) { #>
+            IUniTaskAsyncEnumerator<T<#= j #>> enumerator<#= j #>;
+            UniTask<bool>.Awaiter awaiter<#= j #>;
+            bool hasCurrent<#= j #>;
+            bool running<#= j #>;
+            T<#= j #> current<#= j #>;
+
+<# } #>
+            int completedCount;
+            bool syncRunning;
+            TResult result;
+
+            public _CombineLatest(<#= paramArgs(i) #>, Func<<#= typeArgs(i) #>> resultSelector, CancellationToken cancellationToken)
+            {
+<# for(var j = 1; j <= i; j++) { #>
+                this.source<#= j #> = source<#= j #>;
+<# } #>                
+                this.resultSelector = resultSelector;
+                this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
+            }
+
+            public TResult Current => result;
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                if (completedCount == CompleteCount) return CompletedTasks.False;
+
+                if (enumerator1 == null)
+                {
+<# for(var j = 1; j <= i; j++) { #>
+                    enumerator<#= j #> = source<#= j #>.GetAsyncEnumerator(cancellationToken);
+<# } #>
+                }
+
+                completionSource.Reset();
+
+                AGAIN:
+                syncRunning = true;
+<# for(var j = 1; j <= i; j++) { #>
+                if (!running<#= j #>)
+                {
+                    running<#= j #> = true;
+                    awaiter<#= j #> = enumerator<#= j #>.MoveNextAsync().GetAwaiter();
+                    if (awaiter<#= j #>.IsCompleted)
+                    {
+                        Completed<#= j #>(this);
+                    }
+                    else
+                    {
+                        awaiter<#= j #>.SourceOnCompleted(Completed<#= j #>Delegate, this);
+                    }
+                }
+<# } #>
+
+                if (<#= string.Join(" || ", Enumerable.Range(1, i).Select(x => $"!running{x}")) #>)
+                {
+                    goto AGAIN;
+                }
+                syncRunning = false;
+
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+<# for(var j = 1; j <= i; j++) { #>
+            static void Completed<#= j #>(object state)
+            {
+                var self = (_CombineLatest)state;
+                self.running<#= j #> = false;
+
+                try
+                {
+                    if (self.awaiter<#= j #>.GetResult())
+                    {
+                        self.hasCurrent<#= j #> = true;
+                        self.current<#= j #> = self.enumerator<#= j #>.Current;
+                        goto SUCCESS;
+                    }
+                    else
+                    {
+                        self.running<#= j #> = true; // as complete, no more call MoveNextAsync.
+                        if (Interlocked.Increment(ref self.completedCount) == CompleteCount)
+                        {
+                            goto COMPLETE;
+                        }
+                        return;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    self.completedCount = CompleteCount;
+                    self.completionSource.TrySetException(ex);
+                    return;
+                }
+
+                SUCCESS:
+                if (!self.TrySetResult())
+                {
+                    if (self.syncRunning) return;
+                    try
+                    {
+                        self.awaiter<#= j #> = self.enumerator<#= j #>.MoveNextAsync().GetAwaiter();
+                    }
+                    catch (Exception ex)
+                    {
+                        self.completedCount = CompleteCount;
+                        self.completionSource.TrySetException(ex);
+                        return;
+                    }
+
+                    self.awaiter<#= j #>.SourceOnCompleted(Completed<#= j #>Delegate, self);
+                }
+                return;
+                COMPLETE:
+                self.completionSource.TrySetResult(false);
+                return;
+            }
+
+<# } #>
+            bool TrySetResult()
+            {
+                if (<#= string.Join(" && ", Enumerable.Range(1, i).Select(x => $"hasCurrent{x}")) #>)
+                {
+                    result = resultSelector(<#= string.Join(", ", Enumerable.Range(1, i).Select(x => $"current{x}")) #>);
+                    completionSource.TrySetResult(true);
+                    return true;
+                }
+                else
+                {
+                    return false;
+                }
+            }
+
+            public async UniTask DisposeAsync()
+            {
+                TaskTracker.RemoveTracking(this);
+<# for(var j = 1; j <= i; j++) { #>
+                if (enumerator<#= j #> != null)
+                {
+                    await enumerator<#= j #>.DisposeAsync();
+                }
+<# } #>
+            }
+        }
+    }
+
+<# } #>
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/CombineLatest.tt.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: b1b8cfa9d17af814a971ee2224aaaaa2
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Concat.cs

@@ -28,10 +28,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(first, second, cancellationToken);
+            return new _Concat(first, second, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        sealed class _Concat : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -51,12 +51,13 @@ namespace Cysharp.Threading.Tasks.Linq
             IUniTaskAsyncEnumerator<TSource> enumerator;
             UniTask<bool>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, CancellationToken cancellationToken)
+            public _Concat(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, CancellationToken cancellationToken)
             {
                 this.first = first;
                 this.second = second;
                 this.cancellationToken = cancellationToken;
                 this.iteratingState = IteratingState.IteratingFirst;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TSource Current { get; private set; }
@@ -108,7 +109,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_Concat)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -150,6 +151,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Contains.cs

@@ -17,13 +17,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return Contains.InvokeAsync(source, value, comparer, cancellationToken);
+            return Contains.ContainsAsync(source, value, comparer, cancellationToken);
         }
     }
 
     internal static class Contains
     {
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, TSource value, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<bool> ContainsAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, TSource value, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Count.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Count.InvokeAsync(source, cancellationToken);
+            return Count.CountAsync(source, cancellationToken);
         }
 
         public static UniTask<Int32> CountAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Count.InvokeAsync(source, predicate, cancellationToken);
+            return Count.CountAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<Int32> CountAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -26,7 +26,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Count.InvokeAsync(source, predicate, cancellationToken);
+            return Count.CountAwaitAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<Int32> CountAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -34,13 +34,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Count.InvokeAsync(source, predicate, cancellationToken);
+            return Count.CountAwaitWithCancellationAsync(source, predicate, cancellationToken);
         }
     }
 
     internal static class Count
     {
-        internal static async UniTask<int> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        internal static async UniTask<int> CountAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
         {
             var count = 0;
 
@@ -63,7 +63,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return count;
         }
 
-        internal static async UniTask<int> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<int> CountAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
         {
             var count = 0;
 
@@ -89,7 +89,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return count;
         }
 
-        internal static async UniTask<int> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<int> CountAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             var count = 0;
 
@@ -115,7 +115,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return count;
         }
 
-        internal static async UniTask<int> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<int> CountAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             var count = 0;
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/DefaultIfEmpty.cs

@@ -34,10 +34,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, defaultValue, cancellationToken);
+            return new _DefaultIfEmpty(source, defaultValue, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        sealed class _DefaultIfEmpty : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
             enum IteratingState : byte
             {
@@ -56,13 +56,14 @@ namespace Cysharp.Threading.Tasks.Linq
             IUniTaskAsyncEnumerator<TSource> enumerator;
             UniTask<bool>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, TSource defaultValue, CancellationToken cancellationToken)
+            public _DefaultIfEmpty(IUniTaskAsyncEnumerable<TSource> source, TSource defaultValue, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.defaultValue = defaultValue;
                 this.cancellationToken = cancellationToken;
 
                 this.iteratingState = IteratingState.Empty;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TSource Current { get; private set; }
@@ -99,7 +100,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_DefaultIfEmpty)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -128,6 +129,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Distinct.cs

@@ -59,7 +59,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return new DistinctAwaitCancellation<TSource, TKey>(source, keySelector, comparer);
+            return new DistinctAwaitWithCancellation<TSource, TKey>(source, keySelector, comparer);
         }
     }
 
@@ -76,14 +76,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, comparer, cancellationToken);
+            return new _Distinct(source, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _Distinct : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly HashSet<TSource> set;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
+            public _Distinct(IUniTaskAsyncEnumerable<TSource> source, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -129,15 +129,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, comparer, cancellationToken);
+            return new _Distinct(source, keySelector, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _Distinct : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly HashSet<TKey> set;
             readonly Func<TSource, TKey> keySelector;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _Distinct(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -184,15 +184,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, comparer, cancellationToken);
+            return new _DistinctAwait(source, keySelector, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
+        class _DistinctAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
         {
             readonly HashSet<TKey> set;
             readonly Func<TSource, UniTask<TKey>> keySelector;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _DistinctAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -222,13 +222,13 @@ namespace Cysharp.Threading.Tasks.Linq
         }
     }
 
-    internal sealed class DistinctAwaitCancellation<TSource, TKey> : IUniTaskAsyncEnumerable<TSource>
+    internal sealed class DistinctAwaitWithCancellation<TSource, TKey> : IUniTaskAsyncEnumerable<TSource>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, CancellationToken, UniTask<TKey>> keySelector;
         readonly IEqualityComparer<TKey> comparer;
 
-        public DistinctAwaitCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer)
+        public DistinctAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer)
         {
             this.source = source;
             this.keySelector = keySelector;
@@ -237,15 +237,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, comparer, cancellationToken);
+            return new _DistinctAwaitWithCancellation(source, keySelector, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
+        class _DistinctAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
         {
             readonly HashSet<TKey> set;
             readonly Func<TSource, CancellationToken, UniTask<TKey>> keySelector;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _DistinctAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/DistinctUntilChanged.cs

@@ -59,7 +59,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return new DistinctUntilChangedAwaitCancellation<TSource, TKey>(source, keySelector, comparer);
+            return new DistinctUntilChangedAwaitWithCancellation<TSource, TKey>(source, keySelector, comparer);
         }
     }
 
@@ -76,16 +76,16 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, comparer, cancellationToken);
+            return new _DistinctUntilChanged(source, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _DistinctUntilChanged : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly IEqualityComparer<TSource> comparer;
             TSource prev;
             bool first;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
+            public _DistinctUntilChanged(IUniTaskAsyncEnumerable<TSource> source, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -133,17 +133,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, comparer, cancellationToken);
+            return new _DistinctUntilChanged(source, keySelector, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _DistinctUntilChanged : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly IEqualityComparer<TKey> comparer;
             readonly Func<TSource, TKey> keySelector;
             TKey prev;
             bool first;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _DistinctUntilChanged(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -194,17 +194,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, comparer, cancellationToken);
+            return new _DistinctUntilChangedAwait(source, keySelector, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
+        class _DistinctUntilChangedAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
         {
             readonly IEqualityComparer<TKey> comparer;
             readonly Func<TSource, UniTask<TKey>> keySelector;
             TKey prev;
             bool first;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _DistinctUntilChangedAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -237,13 +237,13 @@ namespace Cysharp.Threading.Tasks.Linq
         }
     }
 
-    internal sealed class DistinctUntilChangedAwaitCancellation<TSource, TKey> : IUniTaskAsyncEnumerable<TSource>
+    internal sealed class DistinctUntilChangedAwaitWithCancellation<TSource, TKey> : IUniTaskAsyncEnumerable<TSource>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, CancellationToken, UniTask<TKey>> keySelector;
         readonly IEqualityComparer<TKey> comparer;
 
-        public DistinctUntilChangedAwaitCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer)
+        public DistinctUntilChangedAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer)
         {
             this.source = source;
             this.keySelector = keySelector;
@@ -252,17 +252,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, comparer, cancellationToken);
+            return new _DistinctUntilChangedAwaitWithCancellation(source, keySelector, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
+        class _DistinctUntilChangedAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, TKey>
         {
             readonly IEqualityComparer<TKey> comparer;
             readonly Func<TSource, CancellationToken, UniTask<TKey>> keySelector;
             TKey prev;
             bool first;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _DistinctUntilChangedAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Do.cs

@@ -101,10 +101,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, onNext, onError, onCompleted, cancellationToken);
+            return new _Do(source, onNext, onError, onCompleted, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        sealed class _Do : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -117,13 +117,14 @@ namespace Cysharp.Threading.Tasks.Linq
             IUniTaskAsyncEnumerator<TSource> enumerator;
             UniTask<bool>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Action<TSource> onNext, Action<Exception> onError, Action onCompleted, CancellationToken cancellationToken)
+            public _Do(IUniTaskAsyncEnumerable<TSource> source, Action<TSource> onNext, Action<Exception> onError, Action onCompleted, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.onNext = onNext;
                 this.onError = onError;
                 this.onCompleted = onCompleted;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TSource Current { get; private set; }
@@ -199,7 +200,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_Do)state;
 
                 if (self.TryGetResultWithNotification(self.awaiter, out var result))
                 {
@@ -244,6 +245,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ElementAt.cs

@@ -10,20 +10,20 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return ElementAt.InvokeAsync(source, index, cancellationToken, false);
+            return ElementAt.ElementAtAsync(source, index, cancellationToken, false);
         }
 
         public static UniTask<TSource> ElementAtOrDefaultAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, int index, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return ElementAt.InvokeAsync(source, index, cancellationToken, true);
+            return ElementAt.ElementAtAsync(source, index, cancellationToken, true);
         }
     }
 
     internal static class ElementAt
     {
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, int index, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> ElementAtAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, int index, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Empty.cs

@@ -20,14 +20,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return Enumerator.Instance;
+            return _Empty.Instance;
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<T>
+        class _Empty : IUniTaskAsyncEnumerator<T>
         {
-            public static readonly IUniTaskAsyncEnumerator<T> Instance = new Enumerator();
+            public static readonly IUniTaskAsyncEnumerator<T> Instance = new _Empty();
 
-            Enumerator()
+            _Empty()
             {
             }
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Except.cs

@@ -40,10 +40,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(first, second, comparer, cancellationToken);
+            return new _Except(first, second, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _Except : AsyncEnumeratorBase<TSource, TSource>
         {
             static Action<object> HashSetAsyncCoreDelegate = HashSetAsyncCore;
 
@@ -53,7 +53,7 @@ namespace Cysharp.Threading.Tasks.Linq
             HashSet<TSource> set;
             UniTask<HashSet<TSource>>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
+            public _Except(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
 
                 : base(first, cancellationToken)
             {
@@ -81,7 +81,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void HashSetAsyncCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_Except)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/First.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return First.InvokeAsync(source, cancellationToken, false);
+            return First.FirstAsync(source, cancellationToken, false);
         }
 
         public static UniTask<TSource> FirstAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return First.InvokeAsync(source, predicate, cancellationToken, false);
+            return First.FirstAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> FirstAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -26,7 +26,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return First.InvokeAsync(source, predicate, cancellationToken, false);
+            return First.FirstAwaitAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> FirstAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -34,14 +34,14 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return First.InvokeAsync(source, predicate, cancellationToken, false);
+            return First.FirstAwaitWithCancellationAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> FirstOrDefaultAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return First.InvokeAsync(source, cancellationToken, true);
+            return First.FirstAsync(source, cancellationToken, true);
         }
 
         public static UniTask<TSource> FirstOrDefaultAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -49,7 +49,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return First.InvokeAsync(source, predicate, cancellationToken, true);
+            return First.FirstAsync(source, predicate, cancellationToken, true);
         }
 
         public static UniTask<TSource> FirstOrDefaultAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -57,7 +57,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return First.InvokeAsync(source, predicate, cancellationToken, true);
+            return First.FirstAwaitAsync(source, predicate, cancellationToken, true);
         }
 
         public static UniTask<TSource> FirstOrDefaultAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -65,13 +65,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return First.InvokeAsync(source, predicate, cancellationToken, true);
+            return First.FirstAwaitWithCancellationAsync(source, predicate, cancellationToken, true);
         }
     }
 
     internal static class First
     {
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> FirstAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -101,7 +101,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> FirstAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -133,7 +133,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> FirstAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -165,7 +165,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> FirstAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ForEach.cs

@@ -11,7 +11,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(action, nameof(action));
 
-            return Cysharp.Threading.Tasks.Linq.ForEach.InvokeAsync(source, action, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ForEach.ForEachAsync(source, action, cancellationToken);
         }
 
         public static UniTask ForEachAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Action<TSource, Int32> action, CancellationToken cancellationToken = default)
@@ -19,7 +19,23 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(action, nameof(action));
 
-            return Cysharp.Threading.Tasks.Linq.ForEach.InvokeAsync(source, action, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ForEach.ForEachAsync(source, action, cancellationToken);
+        }
+
+        /// <summary>Obsolete(Error), Use Use ForEachAwaitAsync instead.</summary>
+        [Obsolete("Use ForEachAwaitAsync instead.", true)]
+        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        public static UniTask ForEachAsync<T>(this IUniTaskAsyncEnumerable<T> source, Func<T, UniTask> action, CancellationToken cancellationToken = default)
+        {
+            throw new NotSupportedException("Use ForEachAwaitAsync instead.");
+        }
+
+        /// <summary>Obsolete(Error), Use Use ForEachAwaitAsync instead.</summary>
+        [Obsolete("Use ForEachAwaitAsync instead.", true)]
+        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        public static UniTask ForEachAsync<T>(this IUniTaskAsyncEnumerable<T> source, Func<T, int, UniTask> action, CancellationToken cancellationToken = default)
+        {
+            throw new NotSupportedException("Use ForEachAwaitAsync instead.");
         }
 
         public static UniTask ForEachAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask> action, CancellationToken cancellationToken = default)
@@ -27,7 +43,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(action, nameof(action));
 
-            return Cysharp.Threading.Tasks.Linq.ForEach.InvokeAwaitAsync(source, action, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ForEach.ForEachAwaitAsync(source, action, cancellationToken);
         }
 
         public static UniTask ForEachAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, UniTask> action, CancellationToken cancellationToken = default)
@@ -35,7 +51,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(action, nameof(action));
 
-            return Cysharp.Threading.Tasks.Linq.ForEach.InvokeAwaitAsync(source, action, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ForEach.ForEachAwaitAsync(source, action, cancellationToken);
         }
 
         public static UniTask ForEachAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask> action, CancellationToken cancellationToken = default)
@@ -43,7 +59,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(action, nameof(action));
 
-            return Cysharp.Threading.Tasks.Linq.ForEach.InvokeAwaitWithCancellationAsync(source, action, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ForEach.ForEachAwaitWithCancellationAsync(source, action, cancellationToken);
         }
 
         public static UniTask ForEachAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, CancellationToken, UniTask> action, CancellationToken cancellationToken = default)
@@ -51,13 +67,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(action, nameof(action));
 
-            return Cysharp.Threading.Tasks.Linq.ForEach.InvokeAwaitWithCancellationAsync(source, action, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ForEach.ForEachAwaitWithCancellationAsync(source, action, cancellationToken);
         }
     }
 
     internal static class ForEach
     {
-        public static async UniTask InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Action<TSource> action, CancellationToken cancellationToken)
+        public static async UniTask ForEachAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Action<TSource> action, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -76,7 +92,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Action<TSource, Int32> action, CancellationToken cancellationToken)
+        public static async UniTask ForEachAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Action<TSource, Int32> action, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -96,7 +112,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask InvokeAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask> action, CancellationToken cancellationToken)
+        public static async UniTask ForEachAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask> action, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -115,7 +131,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask InvokeAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, UniTask> action, CancellationToken cancellationToken)
+        public static async UniTask ForEachAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, UniTask> action, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -135,7 +151,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask InvokeAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask> action, CancellationToken cancellationToken)
+        public static async UniTask ForEachAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask> action, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -154,7 +170,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask InvokeAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, CancellationToken, UniTask> action, CancellationToken cancellationToken)
+        public static async UniTask ForEachAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, CancellationToken, UniTask> action, CancellationToken cancellationToken)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/GroupBy.cs

@@ -235,10 +235,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, elementSelector, comparer, cancellationToken);
+            return new _GroupBy(source, keySelector, elementSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>>
+        sealed class _GroupBy : MoveNextSource, IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>>
         {
             readonly IUniTaskAsyncEnumerable<TSource> source;
             readonly Func<TSource, TKey> keySelector;
@@ -248,13 +248,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
             IEnumerator<IGrouping<TKey, TElement>> groupEnumerator;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupBy(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.keySelector = keySelector;
                 this.elementSelector = elementSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public IGrouping<TKey, TElement> Current { get; private set; }
@@ -313,6 +314,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (groupEnumerator != null)
                 {
                     groupEnumerator.Dispose();
@@ -342,10 +344,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, elementSelector, resultSelector, comparer, cancellationToken);
+            return new _GroupBy(source, keySelector, elementSelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _GroupBy : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             readonly IUniTaskAsyncEnumerable<TSource> source;
             readonly Func<TSource, TKey> keySelector;
@@ -356,7 +358,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             IEnumerator<IGrouping<TKey, TElement>> groupEnumerator;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, Func<TKey, IEnumerable<TElement>, TResult> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupBy(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, Func<TKey, IEnumerable<TElement>, TResult> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.keySelector = keySelector;
@@ -364,6 +366,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -423,6 +426,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (groupEnumerator != null)
                 {
                     groupEnumerator.Dispose();
@@ -450,10 +454,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, elementSelector, comparer, cancellationToken);
+            return new _GroupByAwait(source, keySelector, elementSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>>
+        sealed class _GroupByAwait : MoveNextSource, IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>>
         {
             readonly IUniTaskAsyncEnumerable<TSource> source;
             readonly Func<TSource, UniTask<TKey>> keySelector;
@@ -463,13 +467,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
             IEnumerator<IGrouping<TKey, TElement>> groupEnumerator;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupByAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.keySelector = keySelector;
                 this.elementSelector = elementSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public IGrouping<TKey, TElement> Current { get; private set; }
@@ -528,6 +533,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (groupEnumerator != null)
                 {
                     groupEnumerator.Dispose();
@@ -557,10 +563,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, elementSelector, resultSelector, comparer, cancellationToken);
+            return new _GroupByAwait(source, keySelector, elementSelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _GroupByAwait : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             readonly static Action<object> ResultSelectCoreDelegate = ResultSelectCore;
 
@@ -574,7 +580,7 @@ namespace Cysharp.Threading.Tasks.Linq
             IEnumerator<IGrouping<TKey, TElement>> groupEnumerator;
             UniTask<TResult>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, Func<TKey, IEnumerable<TElement>, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupByAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, Func<TKey, IEnumerable<TElement>, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.keySelector = keySelector;
@@ -582,6 +588,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -650,7 +657,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupByAwait)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -661,6 +668,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (groupEnumerator != null)
                 {
                     groupEnumerator.Dispose();
@@ -688,10 +696,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, elementSelector, comparer, cancellationToken);
+            return new _GroupByAwaitWithCancellation(source, keySelector, elementSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>>
+        sealed class _GroupByAwaitWithCancellation : MoveNextSource, IUniTaskAsyncEnumerator<IGrouping<TKey, TElement>>
         {
             readonly IUniTaskAsyncEnumerable<TSource> source;
             readonly Func<TSource, CancellationToken, UniTask<TKey>> keySelector;
@@ -701,13 +709,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
             IEnumerator<IGrouping<TKey, TElement>> groupEnumerator;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupByAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.keySelector = keySelector;
                 this.elementSelector = elementSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public IGrouping<TKey, TElement> Current { get; private set; }
@@ -766,6 +775,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (groupEnumerator != null)
                 {
                     groupEnumerator.Dispose();
@@ -795,10 +805,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, keySelector, elementSelector, resultSelector, comparer, cancellationToken);
+            return new _GroupByAwaitWithCancellation(source, keySelector, elementSelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _GroupByAwaitWithCancellation : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             readonly static Action<object> ResultSelectCoreDelegate = ResultSelectCore;
 
@@ -812,7 +822,7 @@ namespace Cysharp.Threading.Tasks.Linq
             IEnumerator<IGrouping<TKey, TElement>> groupEnumerator;
             UniTask<TResult>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, Func<TKey, IEnumerable<TElement>, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupByAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, Func<TKey, IEnumerable<TElement>, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.keySelector = keySelector;
@@ -820,6 +830,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -888,7 +899,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupByAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -899,6 +910,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (groupEnumerator != null)
                 {
                     groupEnumerator.Dispose();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/GroupJoin.cs

@@ -62,7 +62,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(innerKeySelector, nameof(innerKeySelector));
             Error.ThrowArgumentNullException(resultSelector, nameof(resultSelector));
 
-            return new GroupJoinWithCancellationAwait<TOuter, TInner, TKey, TResult>(outer, inner, outerKeySelector, innerKeySelector, resultSelector, EqualityComparer<TKey>.Default);
+            return new GroupJoinAwaitWithCancellation<TOuter, TInner, TKey, TResult>(outer, inner, outerKeySelector, innerKeySelector, resultSelector, EqualityComparer<TKey>.Default);
         }
 
         public static IUniTaskAsyncEnumerable<TResult> GroupJoinAwaitWithCancellation<TOuter, TInner, TKey, TResult>(this IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, CancellationToken, UniTask<TKey>> outerKeySelector, Func<TInner, CancellationToken, UniTask<TKey>> innerKeySelector, Func<TOuter, IEnumerable<TInner>, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer)
@@ -74,7 +74,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(resultSelector, nameof(resultSelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return new GroupJoinWithCancellationAwait<TOuter, TInner, TKey, TResult>(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer);
+            return new GroupJoinAwaitWithCancellation<TOuter, TInner, TKey, TResult>(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer);
         }
 
     }
@@ -100,10 +100,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
+            return new _GroupJoin(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _GroupJoin : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -120,7 +120,7 @@ namespace Cysharp.Threading.Tasks.Linq
             UniTask<bool>.Awaiter awaiter;
 
 
-            public Enumerator(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, TKey> outerKeySelector, Func<TInner, TKey> innerKeySelector, Func<TOuter, IEnumerable<TInner>, TResult> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupJoin(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, TKey> outerKeySelector, Func<TInner, TKey> innerKeySelector, Func<TOuter, IEnumerable<TInner>, TResult> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.outer = outer;
                 this.inner = inner;
@@ -129,6 +129,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -186,7 +187,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupJoin)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -208,6 +209,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();
@@ -239,10 +241,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
+            return new _GroupJoinAwait(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _GroupJoinAwait : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
             readonly static Action<object> ResultSelectCoreDelegate = ResultSelectCore;
@@ -264,7 +266,7 @@ namespace Cysharp.Threading.Tasks.Linq
             UniTask<TResult>.Awaiter resultAwaiter;
 
 
-            public Enumerator(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, UniTask<TKey>> outerKeySelector, Func<TInner, UniTask<TKey>> innerKeySelector, Func<TOuter, IEnumerable<TInner>, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupJoinAwait(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, UniTask<TKey>> outerKeySelector, Func<TInner, UniTask<TKey>> innerKeySelector, Func<TOuter, IEnumerable<TInner>, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.outer = outer;
                 this.inner = inner;
@@ -273,6 +275,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -330,7 +333,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupJoinAwait)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -364,7 +367,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void OuterKeySelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupJoinAwait)state;
 
                 if (self.TryGetResult(self.outerKeyAwaiter, out var result))
                 {
@@ -390,7 +393,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupJoinAwait)state;
 
                 if (self.TryGetResult(self.resultAwaiter, out var result))
                 {
@@ -401,6 +404,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();
@@ -411,7 +415,7 @@ namespace Cysharp.Threading.Tasks.Linq
         }
     }
 
-    internal sealed class GroupJoinWithCancellationAwait<TOuter, TInner, TKey, TResult> : IUniTaskAsyncEnumerable<TResult>
+    internal sealed class GroupJoinAwaitWithCancellation<TOuter, TInner, TKey, TResult> : IUniTaskAsyncEnumerable<TResult>
     {
         readonly IUniTaskAsyncEnumerable<TOuter> outer;
         readonly IUniTaskAsyncEnumerable<TInner> inner;
@@ -420,7 +424,7 @@ namespace Cysharp.Threading.Tasks.Linq
         readonly Func<TOuter, IEnumerable<TInner>, CancellationToken, UniTask<TResult>> resultSelector;
         readonly IEqualityComparer<TKey> comparer;
 
-        public GroupJoinWithCancellationAwait(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, CancellationToken, UniTask<TKey>> outerKeySelector, Func<TInner, CancellationToken, UniTask<TKey>> innerKeySelector, Func<TOuter, IEnumerable<TInner>, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer)
+        public GroupJoinAwaitWithCancellation(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, CancellationToken, UniTask<TKey>> outerKeySelector, Func<TInner, CancellationToken, UniTask<TKey>> innerKeySelector, Func<TOuter, IEnumerable<TInner>, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer)
         {
             this.outer = outer;
             this.inner = inner;
@@ -432,10 +436,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
+            return new _GroupJoinAwaitWithCancellation(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _GroupJoinAwaitWithCancellation : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
             readonly static Action<object> ResultSelectCoreDelegate = ResultSelectCore;
@@ -457,7 +461,7 @@ namespace Cysharp.Threading.Tasks.Linq
             UniTask<TResult>.Awaiter resultAwaiter;
 
 
-            public Enumerator(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, CancellationToken, UniTask<TKey>> outerKeySelector, Func<TInner, CancellationToken, UniTask<TKey>> innerKeySelector, Func<TOuter, IEnumerable<TInner>, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _GroupJoinAwaitWithCancellation(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, CancellationToken, UniTask<TKey>> outerKeySelector, Func<TInner, CancellationToken, UniTask<TKey>> innerKeySelector, Func<TOuter, IEnumerable<TInner>, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.outer = outer;
                 this.inner = inner;
@@ -466,6 +470,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -523,7 +528,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupJoinAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -557,7 +562,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void OuterKeySelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupJoinAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.outerKeyAwaiter, out var result))
                 {
@@ -583,7 +588,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_GroupJoinAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.resultAwaiter, out var result))
                 {
@@ -594,6 +599,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Intersect.cs

@@ -40,10 +40,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(first, second, comparer, cancellationToken);
+            return new _Intersect(first, second, comparer, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _Intersect : AsyncEnumeratorBase<TSource, TSource>
         {
             static Action<object> HashSetAsyncCoreDelegate = HashSetAsyncCore;
 
@@ -53,7 +53,7 @@ namespace Cysharp.Threading.Tasks.Linq
             HashSet<TSource> set;
             UniTask<HashSet<TSource>>.Awaiter awaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
+            public _Intersect(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
 
                 : base(first, cancellationToken)
             {
@@ -81,7 +81,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void HashSetAsyncCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_Intersect)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Join.cs

@@ -99,10 +99,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
+            return new _Join(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _Join : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -122,7 +122,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             bool continueNext;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, TKey> outerKeySelector, Func<TInner, TKey> innerKeySelector, Func<TOuter, TInner, TResult> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _Join(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, TKey> outerKeySelector, Func<TInner, TKey> innerKeySelector, Func<TOuter, TInner, TResult> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.outer = outer;
                 this.inner = inner;
@@ -131,6 +131,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -215,7 +216,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_Join)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -248,6 +249,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (valueEnumerator != null)
                 {
                     valueEnumerator.Dispose();
@@ -284,10 +286,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
+            return new _JoinAwait(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _JoinAwait : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
             static readonly Action<object> OuterSelectCoreDelegate = OuterSelectCore;
@@ -312,7 +314,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             bool continueNext;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, UniTask<TKey>> outerKeySelector, Func<TInner, UniTask<TKey>> innerKeySelector, Func<TOuter, TInner, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _JoinAwait(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, UniTask<TKey>> outerKeySelector, Func<TInner, UniTask<TKey>> innerKeySelector, Func<TOuter, TInner, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.outer = outer;
                 this.inner = inner;
@@ -321,6 +323,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -408,7 +411,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_JoinAwait)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -442,7 +445,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void OuterSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_JoinAwait)state;
 
                 if (self.TryGetResult(self.outerKeyAwaiter, out var key))
                 {
@@ -465,7 +468,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_JoinAwait)state;
 
                 if (self.TryGetResult(self.resultAwaiter, out var result))
                 {
@@ -476,6 +479,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (valueEnumerator != null)
                 {
                     valueEnumerator.Dispose();
@@ -512,10 +516,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
+            return new _JoinAwaitWithCancellation(outer, inner, outerKeySelector, innerKeySelector, resultSelector, comparer, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _JoinAwaitWithCancellation : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
             static readonly Action<object> OuterSelectCoreDelegate = OuterSelectCore;
@@ -540,7 +544,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             bool continueNext;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, CancellationToken, UniTask<TKey>> outerKeySelector, Func<TInner, CancellationToken, UniTask<TKey>> innerKeySelector, Func<TOuter, TInner, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+            public _JoinAwaitWithCancellation(IUniTaskAsyncEnumerable<TOuter> outer, IUniTaskAsyncEnumerable<TInner> inner, Func<TOuter, CancellationToken, UniTask<TKey>> outerKeySelector, Func<TInner, CancellationToken, UniTask<TKey>> innerKeySelector, Func<TOuter, TInner, CancellationToken, UniTask<TResult>> resultSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
             {
                 this.outer = outer;
                 this.inner = inner;
@@ -549,6 +553,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 this.resultSelector = resultSelector;
                 this.comparer = comparer;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -636,7 +641,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_JoinAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -670,7 +675,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void OuterSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_JoinAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.outerKeyAwaiter, out var key))
                 {
@@ -693,7 +698,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_JoinAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.resultAwaiter, out var result))
                 {
@@ -704,6 +709,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (valueEnumerator != null)
                 {
                     valueEnumerator.Dispose();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Last.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Last.InvokeAsync(source, cancellationToken, false);
+            return Last.LastAsync(source, cancellationToken, false);
         }
 
         public static UniTask<TSource> LastAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Last.InvokeAsync(source, predicate, cancellationToken, false);
+            return Last.LastAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> LastAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -26,7 +26,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Last.InvokeAsync(source, predicate, cancellationToken, false);
+            return Last.LastAwaitAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> LastAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -34,14 +34,14 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Last.InvokeAsync(source, predicate, cancellationToken, false);
+            return Last.LastAwaitWithCancellationAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> LastOrDefaultAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Last.InvokeAsync(source, cancellationToken, true);
+            return Last.LastAsync(source, cancellationToken, true);
         }
 
         public static UniTask<TSource> LastOrDefaultAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -49,7 +49,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Last.InvokeAsync(source, predicate, cancellationToken, true);
+            return Last.LastAsync(source, predicate, cancellationToken, true);
         }
 
         public static UniTask<TSource> LastOrDefaultAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -57,7 +57,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Last.InvokeAsync(source, predicate, cancellationToken, true);
+            return Last.LastAwaitAsync(source, predicate, cancellationToken, true);
         }
 
         public static UniTask<TSource> LastOrDefaultAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -65,13 +65,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return Last.InvokeAsync(source, predicate, cancellationToken, true);
+            return Last.LastAwaitWithCancellationAsync(source, predicate, cancellationToken, true);
         }
     }
 
     internal static class Last
     {
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> LastAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -108,7 +108,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> LastAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -151,7 +151,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> LastAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -194,7 +194,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> LastAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/LongCount.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return LongCount.InvokeAsync(source, cancellationToken);
+            return LongCount.LongCountAsync(source, cancellationToken);
         }
 
         public static UniTask<long> LongCountAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return LongCount.InvokeAsync(source, predicate, cancellationToken);
+            return LongCount.LongCountAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<long> LongCountAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -26,7 +26,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return LongCount.InvokeAsync(source, predicate, cancellationToken);
+            return LongCount.LongCountAwaitAsync(source, predicate, cancellationToken);
         }
 
         public static UniTask<long> LongCountAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -34,13 +34,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return LongCount.InvokeAsync(source, predicate, cancellationToken);
+            return LongCount.LongCountAwaitWithCancellationAsync(source, predicate, cancellationToken);
         }
     }
 
     internal static class LongCount
     {
-        internal static async UniTask<long> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        internal static async UniTask<long> LongCountAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
         {
             long count = 0;
 
@@ -63,7 +63,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return count;
         }
 
-        internal static async UniTask<long> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<long> LongCountAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken)
         {
             long count = 0;
 
@@ -89,7 +89,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return count;
         }
 
-        internal static async UniTask<long> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<long> LongCountAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             long count = 0;
 
@@ -115,7 +115,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return count;
         }
 
-        internal static async UniTask<long> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
+        internal static async UniTask<long> LongCountAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken)
         {
             long count = 0;
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Max.cs

@@ -11,7 +11,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Max.InvokeAsync(source, cancellationToken);
+            return Max.MaxAsync(source, cancellationToken);
         }
 
         public static UniTask<TResult> MaxAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken = default)
@@ -19,7 +19,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Max.InvokeAsync(source, selector, cancellationToken);
+            return Max.MaxAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<TResult> MaxAwaitAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken = default)
@@ -27,21 +27,21 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Max.InvokeAsync(source, selector, cancellationToken);
+            return Max.MaxAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<TResult> MaxAwaitCancellationAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<TResult> MaxAwaitWithCancellationAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Max.InvokeAsync(source, selector, cancellationToken);
+            return Max.MaxAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
     }
 
     internal static partial class Max
     {
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        public static async UniTask<TSource> MaxAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
         {
             TSource value = default;
             var comparer = Comparer<TSource>.Default;
@@ -80,7 +80,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<TResult> InvokeAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken)
+        public static async UniTask<TResult> MaxAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken)
         {
             TResult value = default;
             var comparer = Comparer<TResult>.Default;
@@ -119,7 +119,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<TResult> InvokeAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken)
+        public static async UniTask<TResult> MaxAwaitAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken)
         {
             TResult value = default;
             var comparer = Comparer<TResult>.Default;
@@ -158,7 +158,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<TResult> InvokeAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
+        public static async UniTask<TResult> MaxAwaitWithCancellationAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
         {
             TResult value = default;
             var comparer = Comparer<TResult>.Default;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Min.cs

@@ -11,7 +11,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Min.InvokeAsync(source, cancellationToken);
+            return Min.MinAsync(source, cancellationToken);
         }
 
         public static UniTask<TResult> MinAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken = default)
@@ -19,7 +19,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Min.InvokeAsync(source, selector, cancellationToken);
+            return Min.MinAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<TResult> MinAwaitAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken = default)
@@ -27,21 +27,21 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Min.InvokeAsync(source, selector, cancellationToken);
+            return Min.MinAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<TResult> MinAwaitCancellationAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<TResult> MinAwaitWithCancellationAsync<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Min.InvokeAsync(source, selector, cancellationToken);
+            return Min.MinAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
     }
 
     internal static partial class Min
     {
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        public static async UniTask<TSource> MinAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
         {
             TSource value = default;
             var comparer = Comparer<TSource>.Default;
@@ -80,7 +80,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<TResult> InvokeAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken)
+        public static async UniTask<TResult> MinAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken)
         {
             TResult value = default;
             var comparer = Comparer<TResult>.Default;
@@ -119,7 +119,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<TResult> InvokeAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken)
+        public static async UniTask<TResult> MinAwaitAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken)
         {
             TResult value = default;
             var comparer = Comparer<TResult>.Default;
@@ -158,7 +158,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<TResult> InvokeAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
+        public static async UniTask<TResult> MinAwaitWithCancellationAsync<TSource, TResult>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
         {
             TResult value = default;
             var comparer = Comparer<TResult>.Default;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/MinMax.tt

@@ -38,7 +38,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return <#= minMax #>.InvokeAsync(source, cancellationToken);
+            return <#= minMax #>.<#= minMax #>Async(source, cancellationToken);
         }
 
         public static UniTask<<#= TypeName(t) #>> <#= minMax #>Async<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken = default)
@@ -46,7 +46,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return <#= minMax #>.InvokeAsync(source, selector, cancellationToken);
+            return <#= minMax #>.<#= minMax #>Async(source, selector, cancellationToken);
         }
 
         public static UniTask<<#= TypeName(t) #>> <#= minMax #>AwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
@@ -54,15 +54,15 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return <#= minMax #>.InvokeAsync(source, selector, cancellationToken);
+            return <#= minMax #>.<#= minMax #>AwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<<#= TypeName(t) #>> <#= minMax #>AwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<<#= TypeName(t) #>> <#= minMax #>AwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return <#= minMax #>.InvokeAsync(source, selector, cancellationToken);
+            return <#= minMax #>.<#= minMax #>AwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
 <# } #>
@@ -71,7 +71,7 @@ namespace Cysharp.Threading.Tasks.Linq
     internal static partial class <#= minMax #>
     {
 <# foreach(var t in types) { #>
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync(IUniTaskAsyncEnumerable<<#= TypeName(t) #>> source, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> <#= minMax #>Async(IUniTaskAsyncEnumerable<<#= TypeName(t) #>> source, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> value = default;
 
@@ -117,7 +117,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> <#= minMax #>Async<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> value = default;
 
@@ -163,7 +163,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> <#= minMax #>AwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> value = default;
 
@@ -209,7 +209,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return value;
         }
 
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> <#= minMax #>AwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> value = default;
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Never.cs

@@ -20,14 +20,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(cancellationToken);
+            return new _Never(cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<T>
+        class _Never : IUniTaskAsyncEnumerator<T>
         {
             CancellationToken cancellationToken;
 
-            public Enumerator(CancellationToken cancellationToken)
+            public _Never(CancellationToken cancellationToken)
             {
                 this.cancellationToken = cancellationToken;
             }

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/OfType.cs

@@ -25,12 +25,12 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, cancellationToken);
+            return new _OfType(source, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<object, TResult>
+        class _OfType : AsyncEnumeratorBase<object, TResult>
         {
-            public Enumerator(IUniTaskAsyncEnumerable<object> source, CancellationToken cancellationToken)
+            public _OfType(IUniTaskAsyncEnumerable<object> source, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/OrderBy.cs

@@ -407,10 +407,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TElement> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(this, cancellationToken);
+            return new _OrderedAsyncEnumerator(this, cancellationToken);
         }
 
-        class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TElement>
+        class _OrderedAsyncEnumerator : MoveNextSource, IUniTaskAsyncEnumerator<TElement>
         {
             protected readonly OrderedAsyncEnumerable<TElement> parent;
             CancellationToken cancellationToken;
@@ -418,10 +418,11 @@ namespace Cysharp.Threading.Tasks.Linq
             int[] map;
             int index;
 
-            public Enumerator(OrderedAsyncEnumerable<TElement> parent, CancellationToken cancellationToken)
+            public _OrderedAsyncEnumerator(OrderedAsyncEnumerable<TElement> parent, CancellationToken cancellationToken)
             {
                 this.parent = parent;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TElement Current { get; private set; }
@@ -477,6 +478,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 return default;
             }
         }

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Pairwise.cs

@@ -0,0 +1,128 @@
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IUniTaskAsyncEnumerable<(TSource, TSource)> Pairwise<TSource>(this IUniTaskAsyncEnumerable<TSource> source)
+        {
+            Error.ThrowArgumentNullException(source, nameof(source));
+
+            return new Pairwise<TSource>(source);
+        }
+    }
+
+    internal sealed class Pairwise<TSource> : IUniTaskAsyncEnumerable<(TSource, TSource)>
+    {
+        readonly IUniTaskAsyncEnumerable<TSource> source;
+
+        public Pairwise(IUniTaskAsyncEnumerable<TSource> source)
+        {
+            this.source = source;
+        }
+
+        public IUniTaskAsyncEnumerator<(TSource, TSource)> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _Pairwise(source, cancellationToken);
+        }
+
+        sealed class _Pairwise : MoveNextSource, IUniTaskAsyncEnumerator<(TSource, TSource)>
+        {
+            static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
+
+            readonly IUniTaskAsyncEnumerable<TSource> source;
+            CancellationToken cancellationToken;
+
+            IUniTaskAsyncEnumerator<TSource> enumerator;
+            UniTask<bool>.Awaiter awaiter;
+
+            TSource prev;
+            bool isFirst;
+
+            public _Pairwise(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+            {
+                this.source = source;
+                this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
+            }
+
+            public (TSource, TSource) Current { get; private set; }
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                if (enumerator == null)
+                {
+                    isFirst = true;
+                    enumerator = source.GetAsyncEnumerator(cancellationToken);
+                }
+
+                completionSource.Reset();
+                SourceMoveNext();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            void SourceMoveNext()
+            {
+                try
+                {
+                    awaiter = enumerator.MoveNextAsync().GetAwaiter();
+                    if (awaiter.IsCompleted)
+                    {
+                        MoveNextCore(this);
+                    }
+                    else
+                    {
+                        awaiter.SourceOnCompleted(MoveNextCoreDelegate, this);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    completionSource.TrySetException(ex);
+                }
+            }
+
+            static void MoveNextCore(object state)
+            {
+                var self = (_Pairwise)state;
+
+                if (self.TryGetResult(self.awaiter, out var result))
+                {
+                    if (result)
+                    {
+                        if (self.isFirst)
+                        {
+                            self.isFirst = false;
+                            self.prev = self.enumerator.Current;
+                            self.SourceMoveNext(); // run again. okay to use recursive(only one more).
+                        }
+                        else
+                        {
+                            var p = self.prev;
+                            self.prev = self.enumerator.Current;
+                            self.Current = (p, self.prev);
+                            self.completionSource.TrySetResult(true);
+                        }
+                    }
+                    else
+                    {
+                        self.completionSource.TrySetResult(false);
+                    }
+                }
+            }
+
+            public UniTask DisposeAsync()
+            {
+                TaskTracker.RemoveTracking(this);
+                if (enumerator != null)
+                {
+                    return enumerator.DisposeAsync();
+                }
+                return default;
+            }
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Pairwise.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cddbf051d2a88f549986c468b23214af
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Publish.cs

@@ -0,0 +1,171 @@
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IConnectableUniTaskAsyncEnumerable<TSource> Publish<TSource>(this IUniTaskAsyncEnumerable<TSource> source)
+        {
+            Error.ThrowArgumentNullException(source, nameof(source));
+
+            return new Publish<TSource>(source);
+        }
+    }
+
+    internal sealed class Publish<TSource> : IConnectableUniTaskAsyncEnumerable<TSource>
+    {
+        readonly IUniTaskAsyncEnumerable<TSource> source;
+        readonly CancellationTokenSource cancellationTokenSource;
+
+        TriggerEvent<TSource> trigger;
+        IUniTaskAsyncEnumerator<TSource> enumerator;
+        IDisposable connectedDisposable;
+        bool isCompleted;
+
+        public Publish(IUniTaskAsyncEnumerable<TSource> source)
+        {
+            this.source = source;
+            this.cancellationTokenSource = new CancellationTokenSource();
+        }
+
+        public IDisposable Connect()
+        {
+            if (connectedDisposable != null) return connectedDisposable;
+
+            if (enumerator == null)
+            {
+                enumerator = source.GetAsyncEnumerator(cancellationTokenSource.Token);
+            }
+
+            ConsumeEnumerator().Forget();
+
+            connectedDisposable = new ConnectDisposable(cancellationTokenSource);
+            return connectedDisposable;
+        }
+
+        async UniTaskVoid ConsumeEnumerator()
+        {
+            try
+            {
+                try
+                {
+                    while (await enumerator.MoveNextAsync())
+                    {
+                        trigger.SetResult(enumerator.Current);
+                    }
+                    trigger.SetCompleted();
+                }
+                catch (Exception ex)
+                {
+                    trigger.SetError(ex);
+                }
+            }
+            finally
+            {
+                isCompleted = true;
+                await enumerator.DisposeAsync();
+            }
+        }
+
+        public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _Publish(this, cancellationToken);
+        }
+
+        sealed class ConnectDisposable : IDisposable
+        {
+            readonly CancellationTokenSource cancellationTokenSource;
+
+            public ConnectDisposable(CancellationTokenSource cancellationTokenSource)
+            {
+                this.cancellationTokenSource = cancellationTokenSource;
+            }
+
+            public void Dispose()
+            {
+                this.cancellationTokenSource.Cancel();
+            }
+        }
+
+        sealed class _Publish : MoveNextSource, IUniTaskAsyncEnumerator<TSource>, ITriggerHandler<TSource>
+        {
+            static readonly Action<object> CancelDelegate = OnCanceled;
+
+            readonly Publish<TSource> parent;
+            CancellationToken cancellationToken;
+            CancellationTokenRegistration cancellationTokenRegistration;
+            bool isDisposed;
+
+            public _Publish(Publish<TSource> parent, CancellationToken cancellationToken)
+            {
+                if (cancellationToken.IsCancellationRequested) return;
+
+                this.parent = parent;
+                this.cancellationToken = cancellationToken;
+
+                if (cancellationToken.CanBeCanceled)
+                {
+                    this.cancellationTokenRegistration = cancellationToken.RegisterWithoutCaptureExecutionContext(CancelDelegate, this);
+                }
+
+                parent.trigger.Add(this);
+                TaskTracker.TrackActiveTask(this, 3);
+            }
+
+            public TSource Current { get; private set; }
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                if (parent.isCompleted) return CompletedTasks.False;
+
+                completionSource.Reset();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            static void OnCanceled(object state)
+            {
+                var self = (_Publish)state;
+                self.completionSource.TrySetCanceled(self.cancellationToken);
+                self.DisposeAsync().Forget();
+            }
+
+            public UniTask DisposeAsync()
+            {
+                if (!isDisposed)
+                {
+                    isDisposed = true;
+                    TaskTracker.RemoveTracking(this);
+                    cancellationTokenRegistration.Dispose();
+                    parent.trigger.Remove(this);
+                }
+
+                return default;
+            }
+
+            public void OnNext(TSource value)
+            {
+                Current = value;
+                completionSource.TrySetResult(true);
+            }
+
+            public void OnCanceled(CancellationToken cancellationToken)
+            {
+                completionSource.TrySetCanceled(cancellationToken);
+            }
+
+            public void OnCompleted()
+            {
+                completionSource.TrySetResult(false);
+            }
+
+            public void OnError(Exception ex)
+            {
+                completionSource.TrySetException(ex);
+            }
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Publish.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 93c684d1e88c09d4e89b79437d97b810
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Queue.cs

@@ -0,0 +1,103 @@
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IUniTaskAsyncEnumerable<TSource> Queue<TSource>(this IUniTaskAsyncEnumerable<TSource> source)
+        {
+            return new QueueOperator<TSource>(source);
+        }
+    }
+
+    internal sealed class QueueOperator<TSource> : IUniTaskAsyncEnumerable<TSource>
+    {
+        readonly IUniTaskAsyncEnumerable<TSource> source;
+
+        public QueueOperator(IUniTaskAsyncEnumerable<TSource> source)
+        {
+            this.source = source;
+        }
+
+        public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _Queue(source, cancellationToken);
+        }
+
+        sealed class _Queue : IUniTaskAsyncEnumerator<TSource>
+        {
+            readonly IUniTaskAsyncEnumerable<TSource> source;
+            CancellationToken cancellationToken;
+
+            Channel<TSource> channel;
+            IUniTaskAsyncEnumerator<TSource> channelEnumerator;
+            IUniTaskAsyncEnumerator<TSource> sourceEnumerator;
+            bool channelClosed;
+
+            public _Queue(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+            {
+                this.source = source;
+                this.cancellationToken = cancellationToken;
+            }
+
+            public TSource Current => channelEnumerator.Current;
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                if (sourceEnumerator == null)
+                {
+                    sourceEnumerator = source.GetAsyncEnumerator(cancellationToken);
+                    channel = Channel.CreateSingleConsumerUnbounded<TSource>();
+
+                    channelEnumerator = channel.Reader.ReadAllAsync().GetAsyncEnumerator(cancellationToken);
+
+                    ConsumeAll(this, sourceEnumerator, channel).Forget();
+                }
+
+                return channelEnumerator.MoveNextAsync();
+            }
+
+            static async UniTaskVoid ConsumeAll(_Queue self, IUniTaskAsyncEnumerator<TSource> enumerator, ChannelWriter<TSource> writer)
+            {
+                try
+                {
+                    while (await enumerator.MoveNextAsync())
+                    {
+                        writer.TryWrite(enumerator.Current);
+                    }
+                    writer.TryComplete();
+                }
+                catch (Exception ex)
+                {
+                    writer.TryComplete(ex);
+                }
+                finally
+                {
+                    self.channelClosed = true;
+                    await enumerator.DisposeAsync();
+                }
+            }
+
+            public async UniTask DisposeAsync()
+            {
+                if (sourceEnumerator != null)
+                {
+                    await sourceEnumerator.DisposeAsync();
+                }
+                if (channelEnumerator != null)
+                {
+                    await channelEnumerator.DisposeAsync();
+                }
+
+                if (!channelClosed)
+                {
+                    channelClosed = true;
+                    channel.Writer.TryComplete(new OperationCanceledException());
+                }
+            }
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Queue.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b7ea1bcf9dbebb042bc99c7816249e02
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Range.cs

@@ -31,17 +31,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<int> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(start, end, cancellationToken);
+            return new _Range(start, end, cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<int>
+        class _Range : IUniTaskAsyncEnumerator<int>
         {
             readonly int start;
             readonly int end;
             int current;
             CancellationToken cancellationToken;
 
-            public Enumerator(int start, int end, CancellationToken cancellationToken)
+            public _Range(int start, int end, CancellationToken cancellationToken)
             {
                 this.start = start;
                 this.end = end;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Repeat.cs

@@ -26,17 +26,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TElement> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(element, count, cancellationToken);
+            return new _Repeat(element, count, cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<TElement>
+        class _Repeat : IUniTaskAsyncEnumerator<TElement>
         {
             readonly TElement element;
             readonly int count;
             int remaining;
             CancellationToken cancellationToken;
 
-            public Enumerator(TElement element, int count, CancellationToken cancellationToken)
+            public _Repeat(TElement element, int count, CancellationToken cancellationToken)
             {
                 this.element = element;
                 this.count = count;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Return.cs

@@ -22,17 +22,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TValue> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(value, cancellationToken);
+            return new _Return(value, cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<TValue>
+        class _Return : IUniTaskAsyncEnumerator<TValue>
         {
             readonly TValue value;
             CancellationToken cancellationToken;
 
             bool called;
 
-            public Enumerator(TValue value, CancellationToken cancellationToken)
+            public _Return(TValue value, CancellationToken cancellationToken)
             {
                 this.value = value;
                 this.cancellationToken = cancellationToken;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Reverse.cs

@@ -25,10 +25,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, cancellationToken);
+            return new _Reverse(source, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        sealed class _Reverse : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
             readonly IUniTaskAsyncEnumerable<TSource> source;
             CancellationToken cancellationToken;
@@ -36,10 +36,11 @@ namespace Cysharp.Threading.Tasks.Linq
             TSource[] array;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+            public _Reverse(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TSource Current { get; private set; }
@@ -69,6 +70,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 return default;
             }
         }

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Select.cs

@@ -35,7 +35,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(selector, nameof(selector));
 
-            return new Cysharp.Threading.Tasks.Linq.SelectAwaitInt<TSource, TResult>(source, selector);
+            return new Cysharp.Threading.Tasks.Linq.SelectIntAwait<TSource, TResult>(source, selector);
         }
 
         public static IUniTaskAsyncEnumerable<TResult> SelectAwaitWithCancellation<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector)
@@ -43,7 +43,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(selector, nameof(selector));
 
-            return new Cysharp.Threading.Tasks.Linq.SelectAwaitCancellation<TSource, TResult>(source, selector);
+            return new Cysharp.Threading.Tasks.Linq.SelectAwaitWithCancellation<TSource, TResult>(source, selector);
         }
 
         public static IUniTaskAsyncEnumerable<TResult> SelectAwaitWithCancellation<TSource, TResult>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, CancellationToken, UniTask<TResult>> selector)
@@ -51,7 +51,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(selector, nameof(selector));
 
-            return new Cysharp.Threading.Tasks.Linq.SelectAwaitIntCancellation<TSource, TResult>(source, selector);
+            return new Cysharp.Threading.Tasks.Linq.SelectIntAwaitWithCancellation<TSource, TResult>(source, selector);
         }
     }
 
@@ -68,14 +68,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector, cancellationToken);
+            return new _Select(source, selector, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorBase<TSource, TResult>
+        sealed class _Select : AsyncEnumeratorBase<TSource, TResult>
         {
             readonly Func<TSource, TResult> selector;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken)
+            public _Select(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TResult> selector, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.selector = selector;
@@ -111,15 +111,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector, cancellationToken);
+            return new _SelectInt(source, selector, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorBase<TSource, TResult>
+        sealed class _SelectInt : AsyncEnumeratorBase<TSource, TResult>
         {
             readonly Func<TSource, int, TResult> selector;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, TResult> selector, CancellationToken cancellationToken)
+            public _SelectInt(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, TResult> selector, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.selector = selector;
@@ -155,14 +155,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector, cancellationToken);
+            return new _SelectAwait(source, selector, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
+        sealed class _SelectAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
         {
             readonly Func<TSource, UniTask<TResult>> selector;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken)
+            public _SelectAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TResult>> selector, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.selector = selector;
@@ -176,18 +176,18 @@ namespace Cysharp.Threading.Tasks.Linq
             protected override bool TrySetCurrentCore(TResult awaitResult, out bool terminateIteration)
             {
                 Current = awaitResult;
-                terminateIteration= false;
+                terminateIteration = false;
                 return true;
             }
         }
     }
 
-    internal sealed class SelectAwaitInt<TSource, TResult> : IUniTaskAsyncEnumerable<TResult>
+    internal sealed class SelectIntAwait<TSource, TResult> : IUniTaskAsyncEnumerable<TResult>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, int, UniTask<TResult>> selector;
 
-        public SelectAwaitInt(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<TResult>> selector)
+        public SelectIntAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<TResult>> selector)
         {
             this.source = source;
             this.selector = selector;
@@ -195,15 +195,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector, cancellationToken);
+            return new _SelectIntAwait(source, selector, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
+        sealed class _SelectIntAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
         {
             readonly Func<TSource, int, UniTask<TResult>> selector;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<TResult>> selector, CancellationToken cancellationToken)
+            public _SelectIntAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<TResult>> selector, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.selector = selector;
@@ -217,18 +217,18 @@ namespace Cysharp.Threading.Tasks.Linq
             protected override bool TrySetCurrentCore(TResult awaitResult, out bool terminateIteration)
             {
                 Current = awaitResult;
-                terminateIteration= false;
+                terminateIteration = false;
                 return true;
             }
         }
     }
 
-    internal sealed class SelectAwaitCancellation<TSource, TResult> : IUniTaskAsyncEnumerable<TResult>
+    internal sealed class SelectAwaitWithCancellation<TSource, TResult> : IUniTaskAsyncEnumerable<TResult>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, CancellationToken, UniTask<TResult>> selector;
 
-        public SelectAwaitCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector)
+        public SelectAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector)
         {
             this.source = source;
             this.selector = selector;
@@ -236,14 +236,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector, cancellationToken);
+            return new _SelectAwaitWithCancellation(source, selector, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
+        sealed class _SelectAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
         {
             readonly Func<TSource, CancellationToken, UniTask<TResult>> selector;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
+            public _SelectAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.selector = selector;
@@ -257,18 +257,18 @@ namespace Cysharp.Threading.Tasks.Linq
             protected override bool TrySetCurrentCore(TResult awaitResult, out bool terminateIteration)
             {
                 Current = awaitResult;
-                terminateIteration= false;
+                terminateIteration = false;
                 return true;
             }
         }
     }
 
-    internal sealed class SelectAwaitIntCancellation<TSource, TResult> : IUniTaskAsyncEnumerable<TResult>
+    internal sealed class SelectIntAwaitWithCancellation<TSource, TResult> : IUniTaskAsyncEnumerable<TResult>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, int, CancellationToken, UniTask<TResult>> selector;
 
-        public SelectAwaitIntCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<TResult>> selector)
+        public SelectIntAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<TResult>> selector)
         {
             this.source = source;
             this.selector = selector;
@@ -276,15 +276,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector, cancellationToken);
+            return new _SelectIntAwaitWithCancellation(source, selector, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
+        sealed class _SelectIntAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TResult, TResult>
         {
             readonly Func<TSource, int, CancellationToken, UniTask<TResult>> selector;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
+            public _SelectIntAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<TResult>> selector, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.selector = selector;
@@ -298,7 +298,7 @@ namespace Cysharp.Threading.Tasks.Linq
             protected override bool TrySetCurrentCore(TResult awaitResult, out bool terminateIteration)
             {
                 Current = awaitResult;
-                terminateIteration= false;
+                terminateIteration = false;
                 return true;
             }
         }

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/SelectMany.cs

@@ -129,10 +129,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector1, selector2, resultSelector, cancellationToken);
+            return new _SelectMany(source, selector1, selector2, resultSelector, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _SelectMany : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> sourceMoveNextCoreDelegate = SourceMoveNextCore;
             static readonly Action<object> selectedSourceMoveNextCoreDelegate = SeletedSourceMoveNextCore;
@@ -153,13 +153,14 @@ namespace Cysharp.Threading.Tasks.Linq
             UniTask<bool>.Awaiter selectedAwaiter;
             UniTask.Awaiter selectedDisposeAsyncAwaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, IUniTaskAsyncEnumerable<TCollection>> selector1, Func<TSource, int, IUniTaskAsyncEnumerable<TCollection>> selector2, Func<TSource, TCollection, TResult> resultSelector, CancellationToken cancellationToken)
+            public _SelectMany(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, IUniTaskAsyncEnumerable<TCollection>> selector1, Func<TSource, int, IUniTaskAsyncEnumerable<TCollection>> selector2, Func<TSource, TCollection, TResult> resultSelector, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.selector1 = selector1;
                 this.selector2 = selector2;
                 this.resultSelector = resultSelector;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -232,7 +233,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SourceMoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectMany)state;
 
                 if (self.TryGetResult(self.sourceAwaiter, out var result))
                 {
@@ -267,7 +268,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SeletedSourceMoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectMany)state;
 
                 if (self.TryGetResult(self.selectedAwaiter, out var result))
                 {
@@ -311,7 +312,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SelectedEnumeratorDisposeAsyncCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectMany)state;
 
                 if (self.TryGetResult(self.selectedDisposeAsyncAwaiter))
                 {
@@ -324,6 +325,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public async UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (selectedEnumerator != null)
                 {
                     await selectedEnumerator.DisposeAsync();
@@ -361,10 +363,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector1, selector2, resultSelector, cancellationToken);
+            return new _SelectManyAwait(source, selector1, selector2, resultSelector, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _SelectManyAwait : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> sourceMoveNextCoreDelegate = SourceMoveNextCore;
             static readonly Action<object> selectedSourceMoveNextCoreDelegate = SeletedSourceMoveNextCore;
@@ -391,13 +393,14 @@ namespace Cysharp.Threading.Tasks.Linq
             UniTask<IUniTaskAsyncEnumerable<TCollection>>.Awaiter collectionSelectorAwaiter;
             UniTask<TResult>.Awaiter resultSelectorAwaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector1, Func<TSource, int, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector2, Func<TSource, TCollection, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
+            public _SelectManyAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector1, Func<TSource, int, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector2, Func<TSource, TCollection, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.selector1 = selector1;
                 this.selector2 = selector2;
                 this.resultSelector = resultSelector;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -470,7 +473,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SourceMoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwait)state;
 
                 if (self.TryGetResult(self.sourceAwaiter, out var result))
                 {
@@ -513,7 +516,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SeletedSourceMoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwait)state;
 
                 if (self.TryGetResult(self.selectedAwaiter, out var result))
                 {
@@ -563,7 +566,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SelectedEnumeratorDisposeAsyncCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwait)state;
 
                 if (self.TryGetResult(self.selectedDisposeAsyncAwaiter))
                 {
@@ -576,7 +579,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SelectorAwaitCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwait)state;
 
                 if (self.TryGetResult(self.collectionSelectorAwaiter, out var result))
                 {
@@ -587,7 +590,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectorAwaitCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwait)state;
 
                 if (self.TryGetResult(self.resultSelectorAwaiter, out var result))
                 {
@@ -598,6 +601,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public async UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (selectedEnumerator != null)
                 {
                     await selectedEnumerator.DisposeAsync();
@@ -635,10 +639,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TResult> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, selector1, selector2, resultSelector, cancellationToken);
+            return new _SelectManyAwaitWithCancellation(source, selector1, selector2, resultSelector, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
+        sealed class _SelectManyAwaitWithCancellation : MoveNextSource, IUniTaskAsyncEnumerator<TResult>
         {
             static readonly Action<object> sourceMoveNextCoreDelegate = SourceMoveNextCore;
             static readonly Action<object> selectedSourceMoveNextCoreDelegate = SeletedSourceMoveNextCore;
@@ -665,13 +669,14 @@ namespace Cysharp.Threading.Tasks.Linq
             UniTask<IUniTaskAsyncEnumerable<TCollection>>.Awaiter collectionSelectorAwaiter;
             UniTask<TResult>.Awaiter resultSelectorAwaiter;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector1, Func<TSource, int, CancellationToken, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector2, Func<TSource, TCollection, CancellationToken, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
+            public _SelectManyAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector1, Func<TSource, int, CancellationToken, UniTask<IUniTaskAsyncEnumerable<TCollection>>> selector2, Func<TSource, TCollection, CancellationToken, UniTask<TResult>> resultSelector, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.selector1 = selector1;
                 this.selector2 = selector2;
                 this.resultSelector = resultSelector;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TResult Current { get; private set; }
@@ -744,7 +749,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SourceMoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.sourceAwaiter, out var result))
                 {
@@ -787,7 +792,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SeletedSourceMoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.selectedAwaiter, out var result))
                 {
@@ -837,7 +842,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SelectedEnumeratorDisposeAsyncCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.selectedDisposeAsyncAwaiter))
                 {
@@ -850,7 +855,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void SelectorAwaitCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.collectionSelectorAwaiter, out var result))
                 {
@@ -861,7 +866,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void ResultSelectorAwaitCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SelectManyAwaitWithCancellation)state;
 
                 if (self.TryGetResult(self.resultSelectorAwaiter, out var result))
                 {
@@ -872,6 +877,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public async UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (selectedEnumerator != null)
                 {
                     await selectedEnumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/SequenceEqual.cs

@@ -18,13 +18,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(second, nameof(second));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return SequenceEqual.InvokeAsync(first, second, comparer, cancellationToken);
+            return SequenceEqual.SequenceEqualAsync(first, second, comparer, cancellationToken);
         }
     }
 
     internal static class SequenceEqual
     {
-        internal static async UniTask<bool> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<bool> SequenceEqualAsync<TSource>(IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
         {
             var e1 = first.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Single.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return SingleOperator.InvokeAsync(source, cancellationToken, false);
+            return SingleOperator.SingleAsync(source, cancellationToken, false);
         }
 
         public static UniTask<TSource> SingleAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return SingleOperator.InvokeAsync(source, predicate, cancellationToken, false);
+            return SingleOperator.SingleAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> SingleAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -26,7 +26,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return SingleOperator.InvokeAsync(source, predicate, cancellationToken, false);
+            return SingleOperator.SingleAwaitAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> SingleAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -34,14 +34,14 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return SingleOperator.InvokeAsync(source, predicate, cancellationToken, false);
+            return SingleOperator.SingleAwaitWithCancellationAsync(source, predicate, cancellationToken, false);
         }
 
         public static UniTask<TSource> SingleOrDefaultAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return SingleOperator.InvokeAsync(source, cancellationToken, true);
+            return SingleOperator.SingleAsync(source, cancellationToken, true);
         }
 
         public static UniTask<TSource> SingleOrDefaultAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken = default)
@@ -49,7 +49,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return SingleOperator.InvokeAsync(source, predicate, cancellationToken, true);
+            return SingleOperator.SingleAsync(source, predicate, cancellationToken, true);
         }
 
         public static UniTask<TSource> SingleOrDefaultAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -57,7 +57,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return SingleOperator.InvokeAsync(source, predicate, cancellationToken, true);
+            return SingleOperator.SingleAwaitAsync(source, predicate, cancellationToken, true);
         }
 
         public static UniTask<TSource> SingleOrDefaultAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken = default)
@@ -65,13 +65,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return SingleOperator.InvokeAsync(source, predicate, cancellationToken, true);
+            return SingleOperator.SingleAwaitWithCancellationAsync(source, predicate, cancellationToken, true);
         }
     }
 
     internal static class SingleOperator
     {
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> SingleAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -107,7 +107,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> SingleAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Boolean> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -147,7 +147,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> SingleAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try
@@ -187,7 +187,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        public static async UniTask<TSource> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
+        public static async UniTask<TSource> SingleAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate, CancellationToken cancellationToken, bool defaultIfEmpty)
         {
             var e = source.GetAsyncEnumerator(cancellationToken);
             try

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Skip.cs

@@ -27,16 +27,16 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, count, cancellationToken);
+            return new _Skip(source, count, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        sealed class _Skip : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly int count;
 
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
+            public _Skip(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.count = count;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/SkipLast.cs

@@ -34,10 +34,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, count, cancellationToken);
+            return new _SkipLast(source, count, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        sealed class _SkipLast : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -51,11 +51,12 @@ namespace Cysharp.Threading.Tasks.Linq
 
             bool continueNext;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
+            public _SkipLast(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.count = count;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TSource Current { get; private set; }
@@ -106,7 +107,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_SkipLast)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -146,6 +147,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/SkipUntilCanceled.cs

@@ -0,0 +1,144 @@
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IUniTaskAsyncEnumerable<TSource> SkipUntilCanceled<TSource>(this IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        {
+            Error.ThrowArgumentNullException(source, nameof(source));
+
+            return new SkipUntilCanceled<TSource>(source, cancellationToken);
+        }
+    }
+
+    internal sealed class SkipUntilCanceled<TSource> : IUniTaskAsyncEnumerable<TSource>
+    {
+        readonly IUniTaskAsyncEnumerable<TSource> source;
+        readonly CancellationToken cancellationToken;
+
+        public SkipUntilCanceled(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        {
+            this.source = source;
+            this.cancellationToken = cancellationToken;
+        }
+
+        public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _SkipUntilCanceled(source, this.cancellationToken, cancellationToken);
+        }
+
+        sealed class _SkipUntilCanceled : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        {
+            static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
+
+            readonly IUniTaskAsyncEnumerable<TSource> source;
+            CancellationToken cancellationToken1;
+            CancellationToken cancellationToken2;
+
+            bool isCanceled;
+            IUniTaskAsyncEnumerator<TSource> enumerator;
+            UniTask<bool>.Awaiter awaiter;
+            bool continueNext;
+
+            public _SkipUntilCanceled(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken1, CancellationToken cancellationToken2)
+            {
+                this.source = source;
+                this.cancellationToken1 = cancellationToken1;
+                this.cancellationToken2 = cancellationToken2;
+                TaskTracker.TrackActiveTask(this, 3);
+            }
+
+            public TSource Current { get; private set; }
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                if (cancellationToken1.IsCancellationRequested) isCanceled = true;
+                if (cancellationToken2.IsCancellationRequested) isCanceled = true;
+
+                if (enumerator == null)
+                {
+                    enumerator = source.GetAsyncEnumerator(cancellationToken2); // use only AsyncEnumerator provided token.
+                }
+                completionSource.Reset();
+                SourceMoveNext();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            void SourceMoveNext()
+            {
+                try
+                {
+                    LOOP:
+                    awaiter = enumerator.MoveNextAsync().GetAwaiter();
+                    if (awaiter.IsCompleted)
+                    {
+                        continueNext = true;
+                        MoveNextCore(this);
+                        if (continueNext)
+                        {
+                            continueNext = false;
+                            goto LOOP;
+                        }
+                    }
+                    else
+                    {
+                        awaiter.SourceOnCompleted(MoveNextCoreDelegate, this);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    completionSource.TrySetException(ex);
+                }
+            }
+
+            static void MoveNextCore(object state)
+            {
+                var self = (_SkipUntilCanceled)state;
+
+                if (self.TryGetResult(self.awaiter, out var result))
+                {
+                    if (result)
+                    {
+                        AGAIN:
+
+                        if (self.isCanceled)
+                        {
+                            self.continueNext = false;
+                            self.Current = self.enumerator.Current;
+                            self.completionSource.TrySetResult(true);
+                        }
+                        else
+                        {
+                            if (self.cancellationToken1.IsCancellationRequested) self.isCanceled = true;
+                            if (self.cancellationToken2.IsCancellationRequested) self.isCanceled = true;
+
+                            if (self.isCanceled) goto AGAIN;
+
+                            if (!self.continueNext)
+                            {
+                                self.SourceMoveNext();
+                            }
+                        }
+                    }
+                    else
+                    {
+                        self.completionSource.TrySetResult(false);
+                    }
+                }
+            }
+
+            public UniTask DisposeAsync()
+            {
+                TaskTracker.RemoveTracking(this);
+                if (enumerator != null)
+                {
+                    return enumerator.DisposeAsync();
+                }
+                return default;
+            }
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/SkipUntilCanceled.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 4b1a778aef7150d47b93a49aa1bc34ae
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/SkipWhile.cs

@@ -68,14 +68,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _SkipWhile(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _SkipWhile : AsyncEnumeratorBase<TSource, TSource>
         {
             Func<TSource, bool> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, bool> predicate, CancellationToken cancellationToken)
+            public _SkipWhile(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, bool> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -119,15 +119,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _SkipWhileInt(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _SkipWhileInt : AsyncEnumeratorBase<TSource, TSource>
         {
             Func<TSource, int, bool> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, bool> predicate, CancellationToken cancellationToken)
+            public _SkipWhileInt(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, bool> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -171,14 +171,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _SkipWhileAwait(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _SkipWhileAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             Func<TSource, UniTask<bool>> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _SkipWhileAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -226,15 +226,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _SkipWhileIntAwait(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _SkipWhileIntAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             Func<TSource, int, UniTask<bool>> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _SkipWhileIntAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -281,14 +281,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _SkipWhileAwaitWithCancellation(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _SkipWhileAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             Func<TSource, CancellationToken, UniTask<bool>> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _SkipWhileAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -335,15 +335,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _SkipWhileIntAwaitWithCancellation(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _SkipWhileIntAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             Func<TSource, int, CancellationToken, UniTask<bool>> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _SkipWhileIntAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Sum.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Int32> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32> selector, CancellationToken cancellationToken = default)
@@ -18,7 +18,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Int32> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32>> selector, CancellationToken cancellationToken = default)
@@ -26,22 +26,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Int32> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Int32> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Int64> SumAsync(this IUniTaskAsyncEnumerable<Int64> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Int64> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64> selector, CancellationToken cancellationToken = default)
@@ -49,7 +49,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Int64> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64>> selector, CancellationToken cancellationToken = default)
@@ -57,22 +57,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Int64> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Int64> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Single> SumAsync(this IUniTaskAsyncEnumerable<Single> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Single> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single> selector, CancellationToken cancellationToken = default)
@@ -80,7 +80,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Single> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single>> selector, CancellationToken cancellationToken = default)
@@ -88,22 +88,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Single> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Single> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Double> SumAsync(this IUniTaskAsyncEnumerable<Double> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Double> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double> selector, CancellationToken cancellationToken = default)
@@ -111,7 +111,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Double> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double>> selector, CancellationToken cancellationToken = default)
@@ -119,22 +119,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Double> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Double> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Decimal> SumAsync(this IUniTaskAsyncEnumerable<Decimal> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Decimal> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal> selector, CancellationToken cancellationToken = default)
@@ -142,7 +142,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Decimal> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal>> selector, CancellationToken cancellationToken = default)
@@ -150,22 +150,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Decimal> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Decimal> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Int32?> SumAsync(this IUniTaskAsyncEnumerable<Int32?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Int32?> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32?> selector, CancellationToken cancellationToken = default)
@@ -173,7 +173,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Int32?> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32?>> selector, CancellationToken cancellationToken = default)
@@ -181,22 +181,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Int32?> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Int32?> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Int64?> SumAsync(this IUniTaskAsyncEnumerable<Int64?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Int64?> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64?> selector, CancellationToken cancellationToken = default)
@@ -204,7 +204,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Int64?> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64?>> selector, CancellationToken cancellationToken = default)
@@ -212,22 +212,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Int64?> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Int64?> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Single?> SumAsync(this IUniTaskAsyncEnumerable<Single?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Single?> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single?> selector, CancellationToken cancellationToken = default)
@@ -235,7 +235,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Single?> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single?>> selector, CancellationToken cancellationToken = default)
@@ -243,22 +243,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Single?> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Single?> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Double?> SumAsync(this IUniTaskAsyncEnumerable<Double?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Double?> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double?> selector, CancellationToken cancellationToken = default)
@@ -266,7 +266,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Double?> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double?>> selector, CancellationToken cancellationToken = default)
@@ -274,22 +274,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Double?> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Double?> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Decimal?> SumAsync(this IUniTaskAsyncEnumerable<Decimal?> source, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<Decimal?> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal?> selector, CancellationToken cancellationToken = default)
@@ -297,7 +297,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<Decimal?> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal?>> selector, CancellationToken cancellationToken = default)
@@ -305,22 +305,22 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<Decimal?> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<Decimal?> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
     }
 
     internal static class Sum
     {
-        public static async UniTask<Int32> InvokeAsync(IUniTaskAsyncEnumerable<Int32> source, CancellationToken cancellationToken)
+        public static async UniTask<Int32> SumAsync(IUniTaskAsyncEnumerable<Int32> source, CancellationToken cancellationToken)
         {
             Int32 sum = default;
 
@@ -343,7 +343,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int32> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int32> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32> selector, CancellationToken cancellationToken)
         {
             Int32 sum = default;
 
@@ -366,7 +366,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int32> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int32> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32>> selector, CancellationToken cancellationToken)
         {
             Int32 sum = default;
 
@@ -389,7 +389,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int32> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int32> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32>> selector, CancellationToken cancellationToken)
         {
             Int32 sum = default;
 
@@ -412,7 +412,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64> InvokeAsync(IUniTaskAsyncEnumerable<Int64> source, CancellationToken cancellationToken)
+        public static async UniTask<Int64> SumAsync(IUniTaskAsyncEnumerable<Int64> source, CancellationToken cancellationToken)
         {
             Int64 sum = default;
 
@@ -435,7 +435,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int64> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64> selector, CancellationToken cancellationToken)
         {
             Int64 sum = default;
 
@@ -458,7 +458,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int64> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64>> selector, CancellationToken cancellationToken)
         {
             Int64 sum = default;
 
@@ -481,7 +481,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int64> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64>> selector, CancellationToken cancellationToken)
         {
             Int64 sum = default;
 
@@ -504,7 +504,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single> InvokeAsync(IUniTaskAsyncEnumerable<Single> source, CancellationToken cancellationToken)
+        public static async UniTask<Single> SumAsync(IUniTaskAsyncEnumerable<Single> source, CancellationToken cancellationToken)
         {
             Single sum = default;
 
@@ -527,7 +527,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single> selector, CancellationToken cancellationToken)
+        public static async UniTask<Single> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single> selector, CancellationToken cancellationToken)
         {
             Single sum = default;
 
@@ -550,7 +550,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Single> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single>> selector, CancellationToken cancellationToken)
         {
             Single sum = default;
 
@@ -573,7 +573,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Single> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single>> selector, CancellationToken cancellationToken)
         {
             Single sum = default;
 
@@ -596,7 +596,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double> InvokeAsync(IUniTaskAsyncEnumerable<Double> source, CancellationToken cancellationToken)
+        public static async UniTask<Double> SumAsync(IUniTaskAsyncEnumerable<Double> source, CancellationToken cancellationToken)
         {
             Double sum = default;
 
@@ -619,7 +619,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double> selector, CancellationToken cancellationToken)
+        public static async UniTask<Double> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double> selector, CancellationToken cancellationToken)
         {
             Double sum = default;
 
@@ -642,7 +642,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Double> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double>> selector, CancellationToken cancellationToken)
         {
             Double sum = default;
 
@@ -665,7 +665,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Double> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double>> selector, CancellationToken cancellationToken)
         {
             Double sum = default;
 
@@ -688,7 +688,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal> InvokeAsync(IUniTaskAsyncEnumerable<Decimal> source, CancellationToken cancellationToken)
+        public static async UniTask<Decimal> SumAsync(IUniTaskAsyncEnumerable<Decimal> source, CancellationToken cancellationToken)
         {
             Decimal sum = default;
 
@@ -711,7 +711,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal> selector, CancellationToken cancellationToken)
+        public static async UniTask<Decimal> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal> selector, CancellationToken cancellationToken)
         {
             Decimal sum = default;
 
@@ -734,7 +734,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Decimal> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal>> selector, CancellationToken cancellationToken)
         {
             Decimal sum = default;
 
@@ -757,7 +757,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Decimal> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal>> selector, CancellationToken cancellationToken)
         {
             Decimal sum = default;
 
@@ -780,7 +780,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int32?> InvokeAsync(IUniTaskAsyncEnumerable<Int32?> source, CancellationToken cancellationToken)
+        public static async UniTask<Int32?> SumAsync(IUniTaskAsyncEnumerable<Int32?> source, CancellationToken cancellationToken)
         {
             Int32? sum = default;
 
@@ -803,7 +803,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int32?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32?> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int32?> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32?> selector, CancellationToken cancellationToken)
         {
             Int32? sum = default;
 
@@ -826,7 +826,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int32?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int32?> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int32?>> selector, CancellationToken cancellationToken)
         {
             Int32? sum = default;
 
@@ -849,7 +849,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int32?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int32?> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int32?>> selector, CancellationToken cancellationToken)
         {
             Int32? sum = default;
 
@@ -872,7 +872,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64?> InvokeAsync(IUniTaskAsyncEnumerable<Int64?> source, CancellationToken cancellationToken)
+        public static async UniTask<Int64?> SumAsync(IUniTaskAsyncEnumerable<Int64?> source, CancellationToken cancellationToken)
         {
             Int64? sum = default;
 
@@ -895,7 +895,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64?> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int64?> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int64?> selector, CancellationToken cancellationToken)
         {
             Int64? sum = default;
 
@@ -918,7 +918,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int64?> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Int64?>> selector, CancellationToken cancellationToken)
         {
             Int64? sum = default;
 
@@ -941,7 +941,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Int64?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Int64?> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Int64?>> selector, CancellationToken cancellationToken)
         {
             Int64? sum = default;
 
@@ -964,7 +964,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single?> InvokeAsync(IUniTaskAsyncEnumerable<Single?> source, CancellationToken cancellationToken)
+        public static async UniTask<Single?> SumAsync(IUniTaskAsyncEnumerable<Single?> source, CancellationToken cancellationToken)
         {
             Single? sum = default;
 
@@ -987,7 +987,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single?> selector, CancellationToken cancellationToken)
+        public static async UniTask<Single?> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Single?> selector, CancellationToken cancellationToken)
         {
             Single? sum = default;
 
@@ -1010,7 +1010,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Single?> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Single?>> selector, CancellationToken cancellationToken)
         {
             Single? sum = default;
 
@@ -1033,7 +1033,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Single?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Single?> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Single?>> selector, CancellationToken cancellationToken)
         {
             Single? sum = default;
 
@@ -1056,7 +1056,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double?> InvokeAsync(IUniTaskAsyncEnumerable<Double?> source, CancellationToken cancellationToken)
+        public static async UniTask<Double?> SumAsync(IUniTaskAsyncEnumerable<Double?> source, CancellationToken cancellationToken)
         {
             Double? sum = default;
 
@@ -1079,7 +1079,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double?> selector, CancellationToken cancellationToken)
+        public static async UniTask<Double?> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Double?> selector, CancellationToken cancellationToken)
         {
             Double? sum = default;
 
@@ -1102,7 +1102,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Double?> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Double?>> selector, CancellationToken cancellationToken)
         {
             Double? sum = default;
 
@@ -1125,7 +1125,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Double?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Double?> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Double?>> selector, CancellationToken cancellationToken)
         {
             Double? sum = default;
 
@@ -1148,7 +1148,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal?> InvokeAsync(IUniTaskAsyncEnumerable<Decimal?> source, CancellationToken cancellationToken)
+        public static async UniTask<Decimal?> SumAsync(IUniTaskAsyncEnumerable<Decimal?> source, CancellationToken cancellationToken)
         {
             Decimal? sum = default;
 
@@ -1171,7 +1171,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal?> selector, CancellationToken cancellationToken)
+        public static async UniTask<Decimal?> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Decimal?> selector, CancellationToken cancellationToken)
         {
             Decimal? sum = default;
 
@@ -1194,7 +1194,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Decimal?> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
         {
             Decimal? sum = default;
 
@@ -1217,7 +1217,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<Decimal?> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
+        public static async UniTask<Decimal?> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Decimal?>> selector, CancellationToken cancellationToken)
         {
             Decimal? sum = default;
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Sum.tt

@@ -37,7 +37,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Sum.InvokeAsync(source, cancellationToken);
+            return Sum.SumAsync(source, cancellationToken);
         }
 
         public static UniTask<<#= TypeName(t) #>> SumAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken = default)
@@ -45,7 +45,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAsync(source, selector, cancellationToken);
         }
 
         public static UniTask<<#= TypeName(t) #>> SumAwaitAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
@@ -53,15 +53,15 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitAsync(source, selector, cancellationToken);
         }
 
-        public static UniTask<<#= TypeName(t) #>> SumAwaitCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
+        public static UniTask<<#= TypeName(t) #>> SumAwaitWithCancellationAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken = default)
         {
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(source, nameof(selector));
 
-            return Sum.InvokeAsync(source, selector, cancellationToken);
+            return Sum.SumAwaitWithCancellationAsync(source, selector, cancellationToken);
         }
 
 <# } #>
@@ -70,7 +70,7 @@ namespace Cysharp.Threading.Tasks.Linq
     internal static class Sum
     {
 <# foreach(var t in types) { #>
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync(IUniTaskAsyncEnumerable<<#= TypeName(t) #>> source, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> SumAsync(IUniTaskAsyncEnumerable<<#= TypeName(t) #>> source, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> sum = default;
 
@@ -93,7 +93,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> SumAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, <#= TypeName(t) #>> selector, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> sum = default;
 
@@ -116,7 +116,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> SumAwaitAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> sum = default;
 
@@ -139,7 +139,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return sum;
         }
 
-        public static async UniTask<<#= TypeName(t) #>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
+        public static async UniTask<<#= TypeName(t) #>> SumAwaitWithCancellationAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<<#= TypeName(t) #>>> selector, CancellationToken cancellationToken)
         {
             <#= TypeName(t) #> sum = default;
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Take.cs

@@ -27,43 +27,98 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, count, cancellationToken);
+            return new _Take(source, count, cancellationToken);
         }
 
-        sealed class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        sealed class _Take : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
-            readonly int count;
+            static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
+            readonly IUniTaskAsyncEnumerable<TSource> source;
+            readonly int count;
+            CancellationToken cancellationToken;
+
+            IUniTaskAsyncEnumerator<TSource> enumerator;
+            UniTask<bool>.Awaiter awaiter;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
+            public _Take(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
-                : base(source, cancellationToken)
             {
+                this.source = source;
                 this.count = count;
+                this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
-            protected override bool TryMoveNextCore(bool sourceHasCurrent, out bool result)
+            public TSource Current { get; private set; }
+
+            public UniTask<bool> MoveNextAsync()
             {
-                if (sourceHasCurrent)
+                cancellationToken.ThrowIfCancellationRequested();
+
+                if (enumerator == null)
                 {
-                    if (checked(index++) < count)
+                    enumerator = source.GetAsyncEnumerator(cancellationToken);
+                }
+
+                if (checked(index) >= count)
+                {
+                    return CompletedTasks.False;
+                }
+
+                completionSource.Reset();
+                SourceMoveNext();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            void SourceMoveNext()
+            {
+                try
+                {
+                    awaiter = enumerator.MoveNextAsync().GetAwaiter();
+                    if (awaiter.IsCompleted)
                     {
-                        Current = SourceCurrent;
+                        MoveNextCore(this);
-                        result = true;
-                        return true;
                     }
                     else
                     {
-                        result = false;
+                        awaiter.SourceOnCompleted(MoveNextCoreDelegate, this);
-                        return true;
                     }
                 }
-                else
+                catch (Exception ex)
                 {
-                    result = false;
+                    completionSource.TrySetException(ex);
-                    return true;
                 }
             }
+
+            static void MoveNextCore(object state)
+            {
+                var self = (_Take)state;
+
+                if (self.TryGetResult(self.awaiter, out var result))
+                {
+                    if (result)
+                    {
+                        self.index++;
+                        self.Current = self.enumerator.Current;
+                        self.completionSource.TrySetResult(true);
+                    }
+                    else
+                    {
+                        self.completionSource.TrySetResult(false);
+                    }
+                }
+            }
+
+            public UniTask DisposeAsync()
+            {
+                TaskTracker.RemoveTracking(this);
+                if (enumerator != null)
+                {
+                    return enumerator.DisposeAsync();
+                }
+                return default;
+            }
         }
     }
 }

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/TakeLast.cs

@@ -34,10 +34,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, count, cancellationToken);
+            return new _TakeLast(source, count, cancellationToken);
         }
 
-        sealed class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        sealed class _TakeLast : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
         {
             static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
 
@@ -52,11 +52,12 @@ namespace Cysharp.Threading.Tasks.Linq
             bool iterateCompleted;
             bool continueNext;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
+            public _TakeLast(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.count = count;
                 this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
             }
 
             public TSource Current { get; private set; }
@@ -121,7 +122,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void MoveNextCore(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_TakeLast)state;
 
                 if (self.TryGetResult(self.awaiter, out var result))
                 {
@@ -162,6 +163,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             public UniTask DisposeAsync()
             {
+                TaskTracker.RemoveTracking(this);
                 if (enumerator != null)
                 {
                     return enumerator.DisposeAsync();

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/TakeUntilCanceled.cs

@@ -0,0 +1,164 @@
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IUniTaskAsyncEnumerable<TSource> TakeUntilCanceled<TSource>(this IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        {
+            Error.ThrowArgumentNullException(source, nameof(source));
+
+            return new TakeUntilCanceled<TSource>(source, cancellationToken);
+        }
+    }
+
+    internal sealed class TakeUntilCanceled<TSource> : IUniTaskAsyncEnumerable<TSource>
+    {
+        readonly IUniTaskAsyncEnumerable<TSource> source;
+        readonly CancellationToken cancellationToken;
+
+        public TakeUntilCanceled(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        {
+            this.source = source;
+            this.cancellationToken = cancellationToken;
+        }
+
+        public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _TakeUntilCanceled(source, this.cancellationToken, cancellationToken);
+        }
+
+        sealed class _TakeUntilCanceled : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        {
+            static readonly Action<object> CancelDelegate1 = OnCanceled1;
+            static readonly Action<object> CancelDelegate2 = OnCanceled2;
+            static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
+
+            readonly IUniTaskAsyncEnumerable<TSource> source;
+            CancellationToken cancellationToken1;
+            CancellationToken cancellationToken2;
+            CancellationTokenRegistration cancellationTokenRegistration1;
+            CancellationTokenRegistration cancellationTokenRegistration2;
+
+            bool isCanceled;
+            IUniTaskAsyncEnumerator<TSource> enumerator;
+            UniTask<bool>.Awaiter awaiter;
+
+            public _TakeUntilCanceled(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken1, CancellationToken cancellationToken2)
+            {
+                this.source = source;
+                this.cancellationToken1 = cancellationToken1;
+                this.cancellationToken2 = cancellationToken2;
+
+                if (cancellationToken1.CanBeCanceled)
+                {
+                    this.cancellationTokenRegistration1 = cancellationToken1.RegisterWithoutCaptureExecutionContext(CancelDelegate1, this);
+                }
+
+                if (cancellationToken1 != cancellationToken2 && cancellationToken2.CanBeCanceled)
+                {
+                    this.cancellationTokenRegistration2 = cancellationToken2.RegisterWithoutCaptureExecutionContext(CancelDelegate2, this);
+                }
+                TaskTracker.TrackActiveTask(this, 3);
+            }
+
+            public TSource Current { get; private set; }
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                if (cancellationToken1.IsCancellationRequested) isCanceled = true;
+                if (cancellationToken2.IsCancellationRequested) isCanceled = true;
+
+                if (enumerator == null)
+                {
+                    enumerator = source.GetAsyncEnumerator(cancellationToken2); // use only AsyncEnumerator provided token.
+                }
+
+                if (isCanceled) return CompletedTasks.False;
+
+                completionSource.Reset();
+                SourceMoveNext();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            void SourceMoveNext()
+            {
+                try
+                {
+                    awaiter = enumerator.MoveNextAsync().GetAwaiter();
+                    if (awaiter.IsCompleted)
+                    {
+                        MoveNextCore(this);
+                    }
+                    else
+                    {
+                        awaiter.SourceOnCompleted(MoveNextCoreDelegate, this);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    completionSource.TrySetException(ex);
+                }
+            }
+
+            static void MoveNextCore(object state)
+            {
+                var self = (_TakeUntilCanceled)state;
+
+                if (self.TryGetResult(self.awaiter, out var result))
+                {
+                    if (result)
+                    {
+                        if (self.isCanceled)
+                        {
+                            self.completionSource.TrySetResult(false);
+                        }
+                        else
+                        {
+                            self.Current = self.enumerator.Current;
+                            self.completionSource.TrySetResult(true);
+                        }
+                    }
+                    else
+                    {
+                        self.completionSource.TrySetResult(false);
+                    }
+                }
+            }
+
+            static void OnCanceled1(object state)
+            {
+                var self = (_TakeUntilCanceled)state;
+                if (!self.isCanceled)
+                {
+                    self.cancellationTokenRegistration2.Dispose();
+                    self.completionSource.TrySetResult(false);
+                }
+            }
+
+            static void OnCanceled2(object state)
+            {
+                var self = (_TakeUntilCanceled)state;
+                if (!self.isCanceled)
+                {
+                    self.cancellationTokenRegistration1.Dispose();
+                    self.completionSource.TrySetResult(false);
+                }
+            }
+
+            public UniTask DisposeAsync()
+            {
+                TaskTracker.RemoveTracking(this);
+                cancellationTokenRegistration1.Dispose();
+                cancellationTokenRegistration2.Dispose();
+                if (enumerator != null)
+                {
+                    return enumerator.DisposeAsync();
+                }
+                return default;
+            }
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/TakeUntilCanceled.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e82f498cf3a1df04cbf646773fc11319
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/TakeWhile.cs

@@ -68,14 +68,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _TakeWhile(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _TakeWhile : AsyncEnumeratorBase<TSource, TSource>
         {
             Func<TSource, bool> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, bool> predicate, CancellationToken cancellationToken)
+            public _TakeWhile(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, bool> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -113,15 +113,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _TakeWhileInt(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _TakeWhileInt : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly Func<TSource, int, bool> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, bool> predicate, CancellationToken cancellationToken)
+            public _TakeWhileInt(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, bool> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -159,14 +159,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _TakeWhileAwait(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _TakeWhileAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             Func<TSource, UniTask<bool>> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _TakeWhileAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<bool>> predicate, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.predicate = predicate;
@@ -207,15 +207,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _TakeWhileIntAwait(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _TakeWhileIntAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             readonly Func<TSource, int, UniTask<bool>> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _TakeWhileIntAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.predicate = predicate;
@@ -256,14 +256,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _TakeWhileAwaitWithCancellation(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _TakeWhileAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             Func<TSource, CancellationToken, UniTask<bool>> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _TakeWhileAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.predicate = predicate;
@@ -304,15 +304,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _TakeWhileIntAwaitWithCancellation(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _TakeWhileIntAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             readonly Func<TSource, int, CancellationToken, UniTask<bool>> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _TakeWhileIntAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
                 : base(source, cancellationToken)
             {
                 this.predicate = predicate;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Throw.cs

@@ -23,15 +23,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TValue> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(exception, cancellationToken);
+            return new _Throw(exception, cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<TValue>
+        class _Throw : IUniTaskAsyncEnumerator<TValue>
         {
             readonly Exception exception;
             CancellationToken cancellationToken;
 
-            public Enumerator(Exception exception, CancellationToken cancellationToken)
+            public _Throw(Exception exception, CancellationToken cancellationToken)
             {
                 this.exception = exception;
                 this.cancellationToken = cancellationToken;

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ToArray.cs

@@ -11,13 +11,13 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Cysharp.Threading.Tasks.Linq.ToArray.InvokeAsync(source, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ToArray.ToArrayAsync(source, cancellationToken);
         }
     }
 
     internal static class ToArray
     {
-        internal static async UniTask<TSource[]> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        internal static async UniTask<TSource[]> ToArrayAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
         {
             var pool = ArrayPool<TSource>.Shared;
             var array = pool.Rent(16);

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ToDictionary.cs

@@ -12,7 +12,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
 
-            return ToDictionary.InvokeAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToDictionary.ToDictionaryAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TSource>> ToDictionaryAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -21,7 +21,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToDictionary.InvokeAsync(source, keySelector, comparer, cancellationToken);
+            return ToDictionary.ToDictionaryAsync(source, keySelector, comparer, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TElement>> ToDictionaryAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, CancellationToken cancellationToken = default)
@@ -30,7 +30,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
 
-            return ToDictionary.InvokeAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToDictionary.ToDictionaryAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TElement>> ToDictionaryAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -40,7 +40,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToDictionary.InvokeAsync(source, keySelector, elementSelector, comparer, cancellationToken);
+            return ToDictionary.ToDictionaryAsync(source, keySelector, elementSelector, comparer, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TSource>> ToDictionaryAwaitAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, CancellationToken cancellationToken = default)
@@ -48,7 +48,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
 
-            return ToDictionary.InvokeAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TSource>> ToDictionaryAwaitAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -57,7 +57,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToDictionary.InvokeAsync(source, keySelector, comparer, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitAsync(source, keySelector, comparer, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TElement>> ToDictionaryAwaitAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, CancellationToken cancellationToken = default)
@@ -66,7 +66,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
 
-            return ToDictionary.InvokeAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TElement>> ToDictionaryAwaitAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -76,7 +76,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToDictionary.InvokeAsync(source, keySelector, elementSelector, comparer, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitAsync(source, keySelector, elementSelector, comparer, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TSource>> ToDictionaryAwaitWithCancellationAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, CancellationToken cancellationToken = default)
@@ -84,7 +84,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
 
-            return ToDictionary.InvokeAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitWithCancellationAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TSource>> ToDictionaryAwaitWithCancellationAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -93,7 +93,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToDictionary.InvokeAsync(source, keySelector, comparer, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitWithCancellationAsync(source, keySelector, comparer, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TElement>> ToDictionaryAwaitWithCancellationAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, CancellationToken cancellationToken = default)
@@ -102,7 +102,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
 
-            return ToDictionary.InvokeAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitWithCancellationAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<Dictionary<TKey, TElement>> ToDictionaryAwaitWithCancellationAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -112,13 +112,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToDictionary.InvokeAsync(source, keySelector, elementSelector, comparer, cancellationToken);
+            return ToDictionary.ToDictionaryAwaitWithCancellationAsync(source, keySelector, elementSelector, comparer, cancellationToken);
         }
     }
 
     internal static class ToDictionary
     {
-        internal static async UniTask<Dictionary<TKey, TSource>> InvokeAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<Dictionary<TKey, TSource>> ToDictionaryAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var dict = new Dictionary<TKey, TSource>(comparer);
 
@@ -143,7 +143,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return dict;
         }
 
-        internal static async UniTask<Dictionary<TKey, TElement>> InvokeAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<Dictionary<TKey, TElement>> ToDictionaryAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var dict = new Dictionary<TKey, TElement>(comparer);
 
@@ -171,7 +171,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
         // with await
 
-        internal static async UniTask<Dictionary<TKey, TSource>> InvokeAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<Dictionary<TKey, TSource>> ToDictionaryAwaitAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var dict = new Dictionary<TKey, TSource>(comparer);
 
@@ -196,7 +196,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return dict;
         }
 
-        internal static async UniTask<Dictionary<TKey, TElement>> InvokeAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<Dictionary<TKey, TElement>> ToDictionaryAwaitAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var dict = new Dictionary<TKey, TElement>(comparer);
 
@@ -224,7 +224,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
         // with cancellation
 
-        internal static async UniTask<Dictionary<TKey, TSource>> InvokeAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<Dictionary<TKey, TSource>> ToDictionaryAwaitWithCancellationAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var dict = new Dictionary<TKey, TSource>(comparer);
 
@@ -249,7 +249,7 @@ namespace Cysharp.Threading.Tasks.Linq
             return dict;
         }
 
-        internal static async UniTask<Dictionary<TKey, TElement>> InvokeAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<Dictionary<TKey, TElement>> ToDictionaryAwaitWithCancellationAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var dict = new Dictionary<TKey, TElement>(comparer);
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ToHashSet.cs

@@ -10,7 +10,7 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Cysharp.Threading.Tasks.Linq.ToHashSet.InvokeAsync(source, EqualityComparer<TSource>.Default, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ToHashSet.ToHashSetAsync(source, EqualityComparer<TSource>.Default, cancellationToken);
         }
 
         public static UniTask<HashSet<TSource>> ToHashSetAsync<TSource>(this IUniTaskAsyncEnumerable<TSource> source, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken = default)
@@ -18,13 +18,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return Cysharp.Threading.Tasks.Linq.ToHashSet.InvokeAsync(source, comparer, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ToHashSet.ToHashSetAsync(source, comparer, cancellationToken);
         }
     }
 
     internal static class ToHashSet
     {
-        internal static async UniTask<HashSet<TSource>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<HashSet<TSource>> ToHashSetAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, IEqualityComparer<TSource> comparer, CancellationToken cancellationToken)
         {
             var set = new HashSet<TSource>(comparer);
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ToList.cs

@@ -10,13 +10,13 @@ namespace Cysharp.Threading.Tasks.Linq
         {
             Error.ThrowArgumentNullException(source, nameof(source));
 
-            return Cysharp.Threading.Tasks.Linq.ToList.InvokeAsync(source, cancellationToken);
+            return Cysharp.Threading.Tasks.Linq.ToList.ToListAsync(source, cancellationToken);
         }
     }
 
     internal static class ToList
     {
-        internal static async UniTask<List<TSource>> InvokeAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
+        internal static async UniTask<List<TSource>> ToListAsync<TSource>(IUniTaskAsyncEnumerable<TSource> source, CancellationToken cancellationToken)
         {
             var list = new List<TSource>();
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ToLookup.cs

@@ -14,7 +14,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
 
-            return ToLookup.InvokeAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToLookup.ToLookupAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TSource>> ToLookupAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -23,7 +23,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToLookup.InvokeAsync(source, keySelector, comparer, cancellationToken);
+            return ToLookup.ToLookupAsync(source, keySelector, comparer, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TElement>> ToLookupAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, CancellationToken cancellationToken = default)
@@ -32,7 +32,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
 
-            return ToLookup.InvokeAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToLookup.ToLookupAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TElement>> ToLookupAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -42,7 +42,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToLookup.InvokeAsync(source, keySelector, elementSelector, comparer, cancellationToken);
+            return ToLookup.ToLookupAsync(source, keySelector, elementSelector, comparer, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TSource>> ToLookupAwaitAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, CancellationToken cancellationToken = default)
@@ -50,7 +50,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
 
-            return ToLookup.InvokeAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToLookup.ToLookupAwaitAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TSource>> ToLookupAwaitAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -59,7 +59,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToLookup.InvokeAsync(source, keySelector, comparer, cancellationToken);
+            return ToLookup.ToLookupAwaitAsync(source, keySelector, comparer, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TElement>> ToLookupAwaitAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, CancellationToken cancellationToken = default)
@@ -68,7 +68,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
 
-            return ToLookup.InvokeAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToLookup.ToLookupAwaitAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TElement>> ToLookupAwaitAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -78,7 +78,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToLookup.InvokeAsync(source, keySelector, elementSelector, comparer, cancellationToken);
+            return ToLookup.ToLookupAwaitAsync(source, keySelector, elementSelector, comparer, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TSource>> ToLookupAwaitWithCancellationAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, CancellationToken cancellationToken = default)
@@ -86,7 +86,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
 
-            return ToLookup.InvokeAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToLookup.ToLookupAwaitWithCancellationAsync(source, keySelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TSource>> ToLookupAwaitWithCancellationAsync<TSource, TKey>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -95,7 +95,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToLookup.InvokeAsync(source, keySelector, comparer, cancellationToken);
+            return ToLookup.ToLookupAwaitWithCancellationAsync(source, keySelector, comparer, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TElement>> ToLookupAwaitWithCancellationAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, CancellationToken cancellationToken = default)
@@ -104,7 +104,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(keySelector, nameof(keySelector));
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
 
-            return ToLookup.InvokeAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
+            return ToLookup.ToLookupAwaitWithCancellationAsync(source, keySelector, elementSelector, EqualityComparer<TKey>.Default, cancellationToken);
         }
 
         public static UniTask<ILookup<TKey, TElement>> ToLookupAwaitWithCancellationAsync<TSource, TKey, TElement>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken = default)
@@ -114,13 +114,13 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(elementSelector, nameof(elementSelector));
             Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
-            return ToLookup.InvokeAsync(source, keySelector, elementSelector, comparer, cancellationToken);
+            return ToLookup.ToLookupAwaitWithCancellationAsync(source, keySelector, elementSelector, comparer, cancellationToken);
         }
     }
 
     internal static class ToLookup
     {
-        internal static async UniTask<ILookup<TKey, TSource>> InvokeAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<ILookup<TKey, TSource>> ToLookupAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var pool = ArrayPool<TSource>.Shared;
             var array = pool.Rent(16);
@@ -155,7 +155,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<ILookup<TKey, TElement>> InvokeAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<ILookup<TKey, TElement>> ToLookupAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var pool = ArrayPool<TSource>.Shared;
             var array = pool.Rent(16);
@@ -194,7 +194,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
         // with await
 
-        internal static async UniTask<ILookup<TKey, TSource>> InvokeAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<ILookup<TKey, TSource>> ToLookupAwaitAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var pool = ArrayPool<TSource>.Shared;
             var array = pool.Rent(16);
@@ -230,7 +230,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<ILookup<TKey, TElement>> InvokeAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<ILookup<TKey, TElement>> ToLookupAwaitAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<TKey>> keySelector, Func<TSource, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var pool = ArrayPool<TSource>.Shared;
             var array = pool.Rent(16);
@@ -268,7 +268,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
         // with cancellation
 
-        internal static async UniTask<ILookup<TKey, TSource>> InvokeAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<ILookup<TKey, TSource>> ToLookupAwaitWithCancellationAsync<TSource, TKey>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var pool = ArrayPool<TSource>.Shared;
             var array = pool.Rent(16);
@@ -304,7 +304,7 @@ namespace Cysharp.Threading.Tasks.Linq
             }
         }
 
-        internal static async UniTask<ILookup<TKey, TElement>> InvokeAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
+        internal static async UniTask<ILookup<TKey, TElement>> ToLookupAwaitWithCancellationAsync<TSource, TKey, TElement>(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<TKey>> keySelector, Func<TSource, CancellationToken, UniTask<TElement>> elementSelector, IEqualityComparer<TKey> comparer, CancellationToken cancellationToken)
         {
             var pool = ArrayPool<TSource>.Shared;
             var array = pool.Rent(16);

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/ToUniTaskAsyncEnumerable.cs

@@ -48,17 +48,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, cancellationToken);
+            return new _ToUniTaskAsyncEnumerable(source, cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<T>
+        class _ToUniTaskAsyncEnumerable : IUniTaskAsyncEnumerator<T>
         {
             readonly IEnumerable<T> source;
             CancellationToken cancellationToken;
 
             IEnumerator<T> enumerator;
 
-            public Enumerator(IEnumerable<T> source, CancellationToken cancellationToken)
+            public _ToUniTaskAsyncEnumerable(IEnumerable<T> source, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.cancellationToken = cancellationToken;
@@ -102,10 +102,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, cancellationToken);
+            return new _ToUniTaskAsyncEnumerableTask(source, cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<T>
+        class _ToUniTaskAsyncEnumerableTask : IUniTaskAsyncEnumerator<T>
         {
             readonly Task<T> source;
             CancellationToken cancellationToken;
@@ -113,7 +113,7 @@ namespace Cysharp.Threading.Tasks.Linq
             T current;
             bool called;
 
-            public Enumerator(Task<T> source, CancellationToken cancellationToken)
+            public _ToUniTaskAsyncEnumerableTask(Task<T> source, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.cancellationToken = cancellationToken;
@@ -155,10 +155,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, cancellationToken);
+            return new _ToUniTaskAsyncEnumerableUniTask(source, cancellationToken);
         }
 
-        class Enumerator : IUniTaskAsyncEnumerator<T>
+        class _ToUniTaskAsyncEnumerableUniTask : IUniTaskAsyncEnumerator<T>
         {
             readonly UniTask<T> source;
             CancellationToken cancellationToken;
@@ -166,7 +166,7 @@ namespace Cysharp.Threading.Tasks.Linq
             T current;
             bool called;
 
-            public Enumerator(UniTask<T> source, CancellationToken cancellationToken)
+            public _ToUniTaskAsyncEnumerableUniTask(UniTask<T> source, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.cancellationToken = cancellationToken;
@@ -208,10 +208,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, cancellationToken);
+            return new _ToUniTaskAsyncEnumerableObservable(source, cancellationToken);
         }
 
-        class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<T>, IObserver<T>
+        class _ToUniTaskAsyncEnumerableObservable : MoveNextSource, IUniTaskAsyncEnumerator<T>, IObserver<T>
         {
             static readonly Action<object> OnCanceledDelegate = OnCanceled;
 
@@ -227,7 +227,7 @@ namespace Cysharp.Threading.Tasks.Linq
             IDisposable subscription;
             CancellationTokenRegistration cancellationTokenRegistration;
 
-            public Enumerator(IObservable<T> source, CancellationToken cancellationToken)
+            public _ToUniTaskAsyncEnumerableObservable(IObservable<T> source, CancellationToken cancellationToken)
             {
                 this.source = source;
                 this.cancellationToken = cancellationToken;
@@ -334,7 +334,7 @@ namespace Cysharp.Threading.Tasks.Linq
 
             static void OnCanceled(object state)
             {
-                var self = (Enumerator)state;
+                var self = (_ToUniTaskAsyncEnumerableObservable)state;
                 lock (self.queuedResult)
                 {
                     self.completionSource.TrySetCanceled(self.cancellationToken);

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryUpdate.cs

@@ -1,7 +1,4 @@
-using Cysharp.Threading.Tasks.Internal;
+using System.Threading;
-using System;
-using System.Collections.Generic;
-using System.Threading;
 
 namespace Cysharp.Threading.Tasks.Linq
 {
@@ -24,17 +21,17 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<AsyncUnit> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(updateTiming, cancellationToken);
+            return new _EveryUpdate(updateTiming, cancellationToken);
         }
 
-        class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<AsyncUnit>, IPlayerLoopItem
+        class _EveryUpdate : MoveNextSource, IUniTaskAsyncEnumerator<AsyncUnit>, IPlayerLoopItem
         {
             readonly PlayerLoopTiming updateTiming;
             CancellationToken cancellationToken;
 
             bool disposed;
 
-            public Enumerator(PlayerLoopTiming updateTiming, CancellationToken cancellationToken)
+            public _EveryUpdate(PlayerLoopTiming updateTiming, CancellationToken cancellationToken)
             {
                 this.updateTiming = updateTiming;
 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryValueChanged.cs

@@ -0,0 +1,241 @@
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IUniTaskAsyncEnumerable<TProperty> EveryValueChanged<TTarget, TProperty>(TTarget target, Func<TTarget, TProperty> propertySelector, PlayerLoopTiming monitorTiming = PlayerLoopTiming.Update, IEqualityComparer<TProperty> equalityComparer = null)
+            where TTarget : class
+        {
+            var unityObject = target as UnityEngine.Object;
+            var isUnityObject = target is UnityEngine.Object; // don't use (unityObject == null)
+
+            if (isUnityObject)
+            {
+                return new EveryValueChangedUnityObject<TTarget, TProperty>(target, propertySelector, equalityComparer ?? UnityEqualityComparer.GetDefault<TProperty>(), monitorTiming);
+            }
+            else
+            {
+                return new EveryValueChangedStandardObject<TTarget, TProperty>(target, propertySelector, equalityComparer ?? UnityEqualityComparer.GetDefault<TProperty>(), monitorTiming);
+            }
+        }
+    }
+
+    internal sealed class EveryValueChangedUnityObject<TTarget, TProperty> : IUniTaskAsyncEnumerable<TProperty>
+    {
+        readonly TTarget target;
+        readonly Func<TTarget, TProperty> propertySelector;
+        readonly IEqualityComparer<TProperty> equalityComparer;
+        readonly PlayerLoopTiming monitorTiming;
+
+        public EveryValueChangedUnityObject(TTarget target, Func<TTarget, TProperty> propertySelector, IEqualityComparer<TProperty> equalityComparer, PlayerLoopTiming monitorTiming)
+        {
+            this.target = target;
+            this.propertySelector = propertySelector;
+            this.equalityComparer = equalityComparer;
+            this.monitorTiming = monitorTiming;
+        }
+
+        public IUniTaskAsyncEnumerator<TProperty> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _EveryValueChanged(target, propertySelector, equalityComparer, monitorTiming, cancellationToken);
+        }
+
+        sealed class _EveryValueChanged : MoveNextSource, IUniTaskAsyncEnumerator<TProperty>, IPlayerLoopItem
+        {
+            readonly TTarget target;
+            readonly UnityEngine.Object targetAsUnityObject;
+            readonly IEqualityComparer<TProperty> equalityComparer;
+            readonly Func<TTarget, TProperty> propertySelector;
+            CancellationToken cancellationToken;
+
+            bool first;
+            TProperty currentValue;
+            bool disposed;
+
+            public _EveryValueChanged(TTarget target, Func<TTarget, TProperty> propertySelector, IEqualityComparer<TProperty> equalityComparer, PlayerLoopTiming monitorTiming, CancellationToken cancellationToken)
+            {
+                this.target = target;
+                this.targetAsUnityObject = target as UnityEngine.Object;
+                this.propertySelector = propertySelector;
+                this.equalityComparer = equalityComparer;
+                this.cancellationToken = cancellationToken;
+                this.first = true;
+                TaskTracker.TrackActiveTask(this, 2);
+                PlayerLoopHelper.AddAction(monitorTiming, this);
+            }
+
+            public TProperty Current => currentValue;
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                // return false instead of throw
+                if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
+
+                if (first)
+                {
+                    first = false;
+                    if (targetAsUnityObject == null)
+                    {
+                        return CompletedTasks.False;
+                    }
+                    this.currentValue = propertySelector(target);
+                    return CompletedTasks.True;
+                }
+
+                completionSource.Reset();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            public UniTask DisposeAsync()
+            {
+                if (!disposed)
+                {
+                    disposed = true;
+                    TaskTracker.RemoveTracking(this);
+                }
+                return default;
+            }
+
+            public bool MoveNext()
+            {
+                if (disposed || cancellationToken.IsCancellationRequested || targetAsUnityObject == null) // destroyed = cancel.
+                {
+                    completionSource.TrySetResult(false);
+                    DisposeAsync().Forget();
+                    return false;
+                }
+
+                TProperty nextValue = default(TProperty);
+                try
+                {
+                    nextValue = propertySelector(target);
+                    if (equalityComparer.Equals(currentValue, nextValue))
+                    {
+                        return true;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    completionSource.TrySetException(ex);
+                    DisposeAsync().Forget();
+                    return false;
+                }
+
+                currentValue = nextValue;
+                completionSource.TrySetResult(true);
+                return true;
+            }
+        }
+    }
+
+    internal sealed class EveryValueChangedStandardObject<TTarget, TProperty> : IUniTaskAsyncEnumerable<TProperty>
+        where TTarget : class
+    {
+        readonly WeakReference<TTarget> target;
+        readonly Func<TTarget, TProperty> propertySelector;
+        readonly IEqualityComparer<TProperty> equalityComparer;
+        readonly PlayerLoopTiming monitorTiming;
+
+        public EveryValueChangedStandardObject(TTarget target, Func<TTarget, TProperty> propertySelector, IEqualityComparer<TProperty> equalityComparer, PlayerLoopTiming monitorTiming)
+        {
+            this.target = new WeakReference<TTarget>(target, false);
+            this.propertySelector = propertySelector;
+            this.equalityComparer = equalityComparer;
+            this.monitorTiming = monitorTiming;
+        }
+
+        public IUniTaskAsyncEnumerator<TProperty> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _EveryValueChanged(target, propertySelector, equalityComparer, monitorTiming, cancellationToken);
+        }
+
+        sealed class _EveryValueChanged : MoveNextSource, IUniTaskAsyncEnumerator<TProperty>, IPlayerLoopItem
+        {
+            readonly WeakReference<TTarget> target;
+            readonly IEqualityComparer<TProperty> equalityComparer;
+            readonly Func<TTarget, TProperty> propertySelector;
+            CancellationToken cancellationToken;
+
+            bool first;
+            TProperty currentValue;
+            bool disposed;
+
+            public _EveryValueChanged(WeakReference<TTarget> target, Func<TTarget, TProperty> propertySelector, IEqualityComparer<TProperty> equalityComparer, PlayerLoopTiming monitorTiming, CancellationToken cancellationToken)
+            {
+                this.target = target;
+                this.propertySelector = propertySelector;
+                this.equalityComparer = equalityComparer;
+                this.cancellationToken = cancellationToken;
+                this.first = true;
+                TaskTracker.TrackActiveTask(this, 2);
+                PlayerLoopHelper.AddAction(monitorTiming, this);
+            }
+
+            public TProperty Current => currentValue;
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
+
+                if (first)
+                {
+                    first = false;
+                    if (!target.TryGetTarget(out var t))
+                    {
+                        return CompletedTasks.False;
+                    }
+                    this.currentValue = propertySelector(t);
+                    return CompletedTasks.True;
+                }
+
+                completionSource.Reset();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            public UniTask DisposeAsync()
+            {
+                if (!disposed)
+                {
+                    disposed = true;
+                    TaskTracker.RemoveTracking(this);
+                }
+                return default;
+            }
+
+            public bool MoveNext()
+            {
+                UnityEngine.Debug.Log("TRY_RESULT:" + target.TryGetTarget(out var _));
+                if (disposed || cancellationToken.IsCancellationRequested || !target.TryGetTarget(out var t))
+                {
+                    completionSource.TrySetResult(false);
+                    DisposeAsync().Forget();
+                    return false;
+                }
+
+                TProperty nextValue = default(TProperty);
+                try
+                {
+                    nextValue = propertySelector(t);
+                    if (equalityComparer.Equals(currentValue, nextValue))
+                    {
+                        return true;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    completionSource.TrySetException(ex);
+                    DisposeAsync().Forget();
+                    return false;
+                }
+
+                currentValue = nextValue;
+                completionSource.TrySetResult(true);
+                return true;
+            }
+        }
+    }
+}

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/EveryValueChanged.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1ec39f1c41c305344854782c935ad354
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/UnityExtensions/Timer.cs

@@ -53,10 +53,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<AsyncUnit> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(dueTime, period, updateTiming, ignoreTimeScale, cancellationToken);
+            return new _Timer(dueTime, period, updateTiming, ignoreTimeScale, cancellationToken);
         }
 
-        class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<AsyncUnit>, IPlayerLoopItem
+        class _Timer : MoveNextSource, IUniTaskAsyncEnumerator<AsyncUnit>, IPlayerLoopItem
         {
             readonly float dueTime;
             readonly float? period;
@@ -66,9 +66,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
             float elapsed;
             bool dueTimePhase;
+            bool completed;
             bool disposed;
 
-            public Enumerator(TimeSpan dueTime, TimeSpan? period, PlayerLoopTiming updateTiming, bool ignoreTimeScale, CancellationToken cancellationToken)
+            public _Timer(TimeSpan dueTime, TimeSpan? period, PlayerLoopTiming updateTiming, bool ignoreTimeScale, CancellationToken cancellationToken)
             {
                 this.dueTime = (float)dueTime.TotalSeconds;
                 this.period = (period == null) ? null : (float?)period.Value.TotalSeconds;
@@ -91,7 +92,7 @@ namespace Cysharp.Threading.Tasks.Linq
             public UniTask<bool> MoveNextAsync()
             {
                 // return false instead of throw
-                if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
+                if (disposed || cancellationToken.IsCancellationRequested || completed) return CompletedTasks.False;
 
                 // reset value here.
                 this.elapsed = 0;
@@ -131,6 +132,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 {
                     if (period == null)
                     {
+                        completed = true;
                         completionSource.TrySetResult(false);
                         return false;
                     }
@@ -161,10 +163,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<AsyncUnit> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(dueTimeFrameCount, periodFrameCount, updateTiming, cancellationToken);
+            return new _TimerFrame(dueTimeFrameCount, periodFrameCount, updateTiming, cancellationToken);
         }
 
-        class Enumerator : MoveNextSource, IUniTaskAsyncEnumerator<AsyncUnit>, IPlayerLoopItem
+        class _TimerFrame : MoveNextSource, IUniTaskAsyncEnumerator<AsyncUnit>, IPlayerLoopItem
         {
             readonly int dueTimeFrameCount;
             readonly int? periodFrameCount;
@@ -172,9 +174,10 @@ namespace Cysharp.Threading.Tasks.Linq
 
             int currentFrame;
             bool dueTimePhase;
+            bool completed;
             bool disposed;
 
-            public Enumerator(int dueTimeFrameCount, int? periodFrameCount, PlayerLoopTiming updateTiming, CancellationToken cancellationToken)
+            public _TimerFrame(int dueTimeFrameCount, int? periodFrameCount, PlayerLoopTiming updateTiming, CancellationToken cancellationToken)
             {
                 if (dueTimeFrameCount <= 0) dueTimeFrameCount = 0;
                 if (periodFrameCount != null)
@@ -195,7 +198,7 @@ namespace Cysharp.Threading.Tasks.Linq
             public UniTask<bool> MoveNextAsync()
             {
                 // return false instead of throw
-                if (disposed || cancellationToken.IsCancellationRequested) return CompletedTasks.False;
+                if (disposed || cancellationToken.IsCancellationRequested || completed) return CompletedTasks.False;
 
 
                 // reset value here.
@@ -235,6 +238,7 @@ namespace Cysharp.Threading.Tasks.Linq
                 {
                     if (periodFrameCount == null)
                     {
+                        completed = true;
                         completionSource.TrySetResult(false);
                         return false;
                     }

src/UniTask/Assets/Plugins/UniTask/Runtime/Linq/Where.cs

@@ -35,7 +35,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return new WhereAwaitInt<TSource>(source, predicate);
+            return new WhereIntAwait<TSource>(source, predicate);
         }
 
         public static IUniTaskAsyncEnumerable<TSource> WhereAwaitWithCancellation<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<Boolean>> predicate)
@@ -43,7 +43,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return new WhereAwaitCancellation<TSource>(source, predicate);
+            return new WhereAwaitWithCancellation<TSource>(source, predicate);
         }
 
         public static IUniTaskAsyncEnumerable<TSource> WhereAwaitWithCancellation<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Func<TSource, Int32, CancellationToken, UniTask<Boolean>> predicate)
@@ -51,7 +51,7 @@ namespace Cysharp.Threading.Tasks.Linq
             Error.ThrowArgumentNullException(source, nameof(source));
             Error.ThrowArgumentNullException(predicate, nameof(predicate));
 
-            return new WhereAwaitIntCancellation<TSource>(source, predicate);
+            return new WhereIntAwaitWithCancellation<TSource>(source, predicate);
         }
     }
 
@@ -68,14 +68,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _Where(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _Where : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly Func<TSource, bool> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, bool> predicate, CancellationToken cancellationToken)
+            public _Where(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, bool> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -118,15 +118,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _WhereInt(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorBase<TSource, TSource>
+        class _WhereInt : AsyncEnumeratorBase<TSource, TSource>
         {
             readonly Func<TSource, int, bool> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, bool> predicate, CancellationToken cancellationToken)
+            public _WhereInt(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, bool> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -169,14 +169,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _WhereAwait(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _WhereAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             readonly Func<TSource, UniTask<bool>> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _WhereAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -204,12 +204,12 @@ namespace Cysharp.Threading.Tasks.Linq
         }
     }
 
-    internal sealed class WhereAwaitInt<TSource> : IUniTaskAsyncEnumerable<TSource>
+    internal sealed class WhereIntAwait<TSource> : IUniTaskAsyncEnumerable<TSource>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, int, UniTask<bool>> predicate;
 
-        public WhereAwaitInt(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate)
+        public WhereIntAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate)
         {
             this.source = source;
             this.predicate = predicate;
@@ -217,15 +217,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _WhereIntAwait(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _WhereIntAwait : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             readonly Func<TSource, int, UniTask<bool>> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _WhereIntAwait(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -255,12 +255,12 @@ namespace Cysharp.Threading.Tasks.Linq
 
 
 
-    internal sealed class WhereAwaitCancellation<TSource> : IUniTaskAsyncEnumerable<TSource>
+    internal sealed class WhereAwaitWithCancellation<TSource> : IUniTaskAsyncEnumerable<TSource>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, CancellationToken, UniTask<bool>> predicate;
 
-        public WhereAwaitCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate)
+        public WhereAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate)
         {
             this.source = source;
             this.predicate = predicate;
@@ -268,14 +268,14 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _WhereAwaitWithCancellation(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _WhereAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             readonly Func<TSource, CancellationToken, UniTask<bool>> predicate;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _WhereAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {
@@ -303,12 +303,12 @@ namespace Cysharp.Threading.Tasks.Linq
         }
     }
 
-    internal sealed class WhereAwaitIntCancellation<TSource> : IUniTaskAsyncEnumerable<TSource>
+    internal sealed class WhereIntAwaitWithCancellation<TSource> : IUniTaskAsyncEnumerable<TSource>
     {
         readonly IUniTaskAsyncEnumerable<TSource> source;
         readonly Func<TSource, int, CancellationToken, UniTask<bool>> predicate;
 
-        public WhereAwaitIntCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate)
+        public WhereIntAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate)
         {
             this.source = source;
             this.predicate = predicate;
@@ -316,15 +316,15 @@ namespace Cysharp.Threading.Tasks.Linq
 
         public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
         {
-            return new Enumerator(source, predicate, cancellationToken);
+            return new _WhereIntAwaitWithCancellation(source, predicate, cancellationToken);
         }
 
-        class Enumerator : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
+        class _WhereIntAwaitWithCancellation : AsyncEnumeratorAwaitSelectorBase<TSource, TSource, bool>
         {
             readonly Func<TSource, int, CancellationToken, UniTask<bool>> predicate;
             int index;
 
-            public Enumerator(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
+            public _WhereIntAwaitWithCancellation(IUniTaskAsyncEnumerable<TSource> source, Func<TSource, int, CancellationToken, UniTask<bool>> predicate, CancellationToken cancellationToken)
 
                 : base(source, cancellationToken)
             {