87 lines
4.2 KiB
C#
87 lines
4.2 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.Reactive.Subjects;
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using System.Threading;
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namespace System.Reactive.Linq
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{
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public static partial class Observable
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{
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/// <summary>
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/// Gets an awaiter that returns the last value of the observable sequence or throws an exception if the sequence is empty.
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/// This operation subscribes to the observable sequence, making it hot.
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/// </summary>
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/// <typeparam name="TSource">The type of the elements in the source sequence.</typeparam>
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/// <param name="source">Source sequence to await.</param>
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/// <returns>Object that can be awaited.</returns>
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/// <exception cref="ArgumentNullException"><paramref name="source"/> is null.</exception>
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public static AsyncSubject<TSource> GetAwaiter<TSource>(this IObservable<TSource> source)
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{
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if (source == null)
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{
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throw new ArgumentNullException(nameof(source));
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}
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return s_impl.GetAwaiter(source);
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}
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/// <summary>
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/// Gets an awaiter that returns the last value of the observable sequence or throws an exception if the sequence is empty.
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/// This operation subscribes and connects to the observable sequence, making it hot.
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/// </summary>
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/// <typeparam name="TSource">The type of the elements in the source sequence.</typeparam>
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/// <param name="source">Source sequence to await.</param>
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/// <returns>Object that can be awaited.</returns>
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/// <exception cref="ArgumentNullException"><paramref name="source"/> is null.</exception>
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public static AsyncSubject<TSource> GetAwaiter<TSource>(this IConnectableObservable<TSource> source)
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{
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if (source == null)
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{
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throw new ArgumentNullException(nameof(source));
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}
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return s_impl.GetAwaiter(source);
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}
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/// <summary>
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/// Gets an awaiter that returns the last value of the observable sequence or throws an exception if the sequence is empty.
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/// This operation subscribes to the observable sequence, making it hot. The supplied CancellationToken can be used to cancel the subscription.
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/// </summary>
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/// <typeparam name="TSource">The type of the elements in the source sequence.</typeparam>
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/// <param name="source">Source sequence to await.</param>
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/// <param name="cancellationToken">Cancellation token.</param>
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/// <returns>Object that can be awaited.</returns>
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/// <exception cref="ArgumentNullException"><paramref name="source"/> is null.</exception>
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public static AsyncSubject<TSource> RunAsync<TSource>(this IObservable<TSource> source, CancellationToken cancellationToken)
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{
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if (source == null)
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{
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throw new ArgumentNullException(nameof(source));
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}
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return s_impl.RunAsync(source, cancellationToken);
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}
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/// <summary>
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/// Gets an awaiter that returns the last value of the observable sequence or throws an exception if the sequence is empty.
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/// This operation subscribes and connects to the observable sequence, making it hot. The supplied CancellationToken can be used to cancel the subscription and connection.
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/// </summary>
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/// <typeparam name="TSource">The type of the elements in the source sequence.</typeparam>
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/// <param name="source">Source sequence to await.</param>
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/// <param name="cancellationToken">Cancellation token.</param>
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/// <returns>Object that can be awaited.</returns>
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/// <exception cref="ArgumentNullException"><paramref name="source"/> is null.</exception>
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public static AsyncSubject<TSource> RunAsync<TSource>(this IConnectableObservable<TSource> source, CancellationToken cancellationToken)
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{
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if (source == null)
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{
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throw new ArgumentNullException(nameof(source));
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}
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return s_impl.RunAsync(source, cancellationToken);
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}
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}
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}
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