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AsyncEnumerable.ToDictionary<TSource, TKey, TElement> Method (IAsyncEnumerable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>, IEqualityComparer<TKey>, CancellationToken)

Namespace: System.Linq
Assembly: System.Interactive.Async (in System.Interactive.Async.dll) Version: 1.2.0.0
Syntax
C#
Copy
public static Task<Dictionary<TKey, TElement>> ToDictionary<TSource, TKey, TElement>(
	this IAsyncEnumerable<TSource> source,
	Func<TSource, TKey> keySelector,
	Func<TSource, TElement> elementSelector,
	IEqualityComparer<TKey> comparer,
	CancellationToken cancellationToken
)

Parameters

source
Type: System.Collections.Generic.IAsyncEnumerable<TSource>
keySelector
Type: System.Func<TSource, TKey>
elementSelector
Type: System.Func<TSource, TElement>
comparer
Type: System.Collections.Generic.IEqualityComparer<TKey>
cancellationToken
Type: System.Threading.CancellationToken

Type Parameters

TSource
TKey
TElement

Return Value

Type: Task<Dictionary<TKey, TElement>>

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IAsyncEnumerable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also