41 lines
1.3 KiB
C#
41 lines
1.3 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 For<TSource, TResult> : Producer<TResult, For<TSource, TResult>._>, IConcatenatable<TResult>
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{
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private readonly IEnumerable<TSource> _source;
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private readonly Func<TSource, IObservable<TResult>> _resultSelector;
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public For(IEnumerable<TSource> source, Func<TSource, IObservable<TResult>> resultSelector)
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{
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_source = source;
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_resultSelector = resultSelector;
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}
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protected override _ CreateSink(IObserver<TResult> observer) => new(observer);
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protected override void Run(_ sink) => sink.Run(GetSources());
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public IEnumerable<IObservable<TResult>> GetSources()
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{
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foreach (var item in _source)
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{
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yield return _resultSelector(item);
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}
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}
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internal sealed class _ : ConcatSink<TResult>
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{
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public _(IObserver<TResult> 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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