Method Duplicates

Duplicates<TSource>(IAsyncEnumerable<TSource>, IEqualityComparer<TSource>?)

Returns all duplicate elements of the given source.

Declaration

public static IAsyncEnumerable<TSource> Duplicates<TSource>(this IAsyncEnumerable<TSource> source, IEqualityComparer<TSource>? comparer = null)

Parameters

Type	Name	Description
IAsyncEnumerable<TSource>	source	The source sequence.
IEqualityComparer<TSource>	comparer	The equality comparer to use to determine whether one TSource equals another. If null, the default equality comparer for TSource is used.

Returns

Type	Description
IAsyncEnumerable<TSource>	All elements that are duplicated.

Type Parameters

Name	Description
TSource	The type of the elements in the source sequence.

Remarks

This operator uses deferred execution and streams its results.

Exceptions

Type	Condition
ArgumentNullException	source is null.