Kit.Core/LibExternal/System.Reactive/Internal/ConcatSink.cs

21 lines
682 B
C#

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT License.
// See the LICENSE file in the project root for more information.
using System.Collections.Generic;
namespace System.Reactive
{
internal abstract class ConcatSink<TSource> : TailRecursiveSink<TSource>
{
protected ConcatSink(IObserver<TSource> observer)
: base(observer)
{
}
protected override IEnumerable<IObservable<TSource>>? Extract(IObservable<TSource> source) => (source as IConcatenatable<TSource>)?.GetSources();
public override void OnCompleted() => Recurse();
}
}