using System.Threading;
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namespace Cysharp.Threading.Tasks.Linq
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{
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public static partial class UniTaskAsyncEnumerable
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{
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public static IUniTaskAsyncEnumerable<T> Empty<T>()
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{
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return Cysharp.Threading.Tasks.Linq.Empty<T>.Instance;
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}
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}
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internal class Empty<T> : IUniTaskAsyncEnumerable<T>
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{
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public static readonly IUniTaskAsyncEnumerable<T> Instance = new Empty<T>();
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Empty()
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{
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}
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public IUniTaskAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default)
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{
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return _Empty.Instance;
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}
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class _Empty : IUniTaskAsyncEnumerator<T>
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{
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public static readonly IUniTaskAsyncEnumerator<T> Instance = new _Empty();
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_Empty()
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{
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}
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public T Current => default;
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public UniTask<bool> MoveNextAsync()
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{
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return CompletedTasks.False;
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}
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public UniTask DisposeAsync()
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{
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return default;
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}
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}
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}
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}
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