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27 lines
1.1 KiB
27 lines
1.1 KiB
4 years ago
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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namespace Discord
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{
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/// <summary> An extension class for squashing <see cref="IAsyncEnumerable{T}"/>. </summary>
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/// <remarks>
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/// This set of extension methods will squash an <see cref="IAsyncEnumerable{T}"/> into a
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/// single <see cref="IEnumerable{T}"/>. This is often associated with requests that has a
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/// set limit when requesting.
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/// </remarks>
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public static class AsyncEnumerableExtensions
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{
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/// <summary> Flattens the specified pages into one <see cref="IEnumerable{T}"/> asynchronously. </summary>
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public static async Task<IEnumerable<T>> FlattenAsync<T>(this IAsyncEnumerable<IEnumerable<T>> source)
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{
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return await source.Flatten().ToArrayAsync().ConfigureAwait(false);
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}
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/// <summary> Flattens the specified pages into one <see cref="IAsyncEnumerable{T}"/>. </summary>
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public static IAsyncEnumerable<T> Flatten<T>(this IAsyncEnumerable<IEnumerable<T>> source)
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{
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return source.SelectMany(enumerable => enumerable.ToAsyncEnumerable());
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}
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}
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}
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