41 lines
1.2 KiB
C#
41 lines
1.2 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT License.
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// See the LICENSE file in the project root for more information.
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using System.Collections.Generic;
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namespace System.Reactive.Linq.ObservableImpl
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{
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internal sealed class While<TSource> : Producer<TSource, While<TSource>._>, IConcatenatable<TSource>
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{
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private readonly Func<bool> _condition;
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private readonly IObservable<TSource> _source;
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public While(Func<bool> condition, IObservable<TSource> source)
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{
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_condition = condition;
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_source = source;
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}
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protected override _ CreateSink(IObserver<TSource> observer) => new(observer);
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protected override void Run(_ sink) => sink.Run(GetSources());
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public IEnumerable<IObservable<TSource>> GetSources()
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{
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while (_condition())
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{
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yield return _source;
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}
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}
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internal sealed class _ : ConcatSink<TSource>
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{
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public _(IObserver<TSource> observer)
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: base(observer)
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{
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}
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}
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}
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}
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