AsyncEnumerable.Except<TSource> Method

Definition

Important

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Produces the set difference of two sequences.

C#
public static System.Collections.Generic.IAsyncEnumerable<TSource> Except<TSource>(this System.Collections.Generic.IAsyncEnumerable<TSource> first, System.Collections.Generic.IAsyncEnumerable<TSource> second, System.Collections.Generic.IEqualityComparer<TSource>? comparer = default);

Type Parameters

TSource

The type of the elements of the input sequences.

Parameters

first
IAsyncEnumerable<TSource>

An IAsyncEnumerable<T> whose elements that are not also in second will be returned.

second
IAsyncEnumerable<TSource>

An IAsyncEnumerable<T> whose elements that also occur in the first sequence will cause those elements to be removed from the returned sequence.

comparer
IEqualityComparer<TSource>

An IEqualityComparer<T> to compare values.

Returns

IAsyncEnumerable<TSource>

A sequence that contains the set difference of the elements of two sequences.

Exceptions

second is null.

Applies to

Produkt Versioner
.NET 8 (package-provided), 9 (package-provided), 10 (package-provided), 10
.NET Standard 2.0 (package-provided)