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// 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;
using System.Threading;
using System.Threading.Tasks;
namespace Microsoft.CodeAnalysis.Shared.Utilities;
internal static class IStreamingProgressTrackerExtensions
{
/// <summary>
/// Returns an <see cref="IAsyncDisposable"/> that will call <see cref="ItemCompletedAsync"/> on
/// <paramref name="progressTracker"/> when it is disposed.
/// </summary>
public static async Task<IAsyncDisposable> AddSingleItemAsync(this IStreamingProgressTracker progressTracker, CancellationToken cancellationToken)
{
await progressTracker.AddItemsAsync(1, cancellationToken).ConfigureAwait(false);
return new StreamingProgressDisposer(progressTracker, cancellationToken);
}
public static ValueTask ItemCompletedAsync(this IStreamingProgressTracker tracker, CancellationToken cancellationToken)
=> tracker.ItemsCompletedAsync(1, cancellationToken);
private sealed class StreamingProgressDisposer(IStreamingProgressTracker progressTracker, CancellationToken cancellationToken) : IAsyncDisposable
{
public async ValueTask DisposeAsync()
=> await progressTracker.ItemCompletedAsync(cancellationToken).ConfigureAwait(false);
}
}
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