[Config(typeof(Config))][MemoryDiagnoser(false)]publicclassBenchmarks{privateclassConfig:ManualConfig{publicConfig(){AddAsyncAdapter(typeof(YieldAwaitableAdapter));AddAsyncAdapter(typeof(PromiseAdapter),typeof(PromiseMethodBuilderAdapter));AddAsyncAdapter(typeof(PromiseAdapter<>),typeof(PromiseMethodBuilderAdapter));AddJob(Job.Default);}}[Benchmark]publicYieldAwaitablePureYield()=>Task.Yield();[Benchmark]publicasyncPromisePromiseVoid(){awaitTask.Yield();}[Benchmark]publicasyncPromise<long>PromiseLong(){awaitTask.Yield();returndefault;}[Benchmark]publicasyncTaskTaskVoid(){awaitTask.Yield();}[Benchmark]publicasyncTask<long>TaskLong(){awaitTask.Yield();returndefault;}}publicstructYieldAwaitableAdapter:IAwaitableAdapter<YieldAwaitable,YieldAwaitable.YieldAwaiter>{publicYieldAwaitable.YieldAwaiterGetAwaiter(refYieldAwaitableawaitable)=>awaitable.GetAwaiter();publicboolGetIsCompleted(refYieldAwaitable.YieldAwaiterawaiter)=>awaiter.IsCompleted;publicvoidGetResult(refYieldAwaitable.YieldAwaiterawaiter)=>awaiter.GetResult();}publicstructPromiseAdapter:IAwaitableAdapter<Promise,PromiseAwaiterVoid>{publicPromiseAwaiterVoidGetAwaiter(refPromiseawaitable)=>awaitable.GetAwaiter();publicboolGetIsCompleted(refPromiseAwaiterVoidawaiter)=>awaiter.IsCompleted;publicvoidGetResult(refPromiseAwaiterVoidawaiter)=>awaiter.GetResult();}publicstructPromiseAdapter<T>:IAwaitableAdapter<Promise<T>,PromiseAwaiter<T>,T>{publicPromiseAwaiter<T>GetAwaiter(refPromise<T>awaitable)=>awaitable.GetAwaiter();publicboolGetIsCompleted(refPromiseAwaiter<T>awaiter)=>awaiter.IsCompleted;publicTGetResult(refPromiseAwaiter<T>awaiter)=>awaiter.GetResult();}publicstructPromiseMethodBuilderAdapter:IAsyncMethodBuilderAdapter{privatestructEmptyStruct{}privatePromiseMethodBuilder<EmptyStruct>_builder;publicvoidCreateAsyncMethodBuilder()=>_builder=PromiseMethodBuilder<EmptyStruct>.Create();publicvoidStart<TStateMachine>(refTStateMachinestateMachine)whereTStateMachine:IAsyncStateMachine=>_builder.Start(refstateMachine);publicvoidAwaitOnCompleted<TAwaiter,TStateMachine>(refTAwaiterawaiter,refTStateMachinestateMachine)whereTAwaiter:ICriticalNotifyCompletionwhereTStateMachine:IAsyncStateMachine=>_builder.AwaitUnsafeOnCompleted(refawaiter,refstateMachine);publicvoidSetResult(){_builder.SetResult(default);_builder.Task.Forget();}publicvoidSetStateMachine(IAsyncStateMachinestateMachine)=>_builder.SetStateMachine(stateMachine);}