Sum__1_12 - waf/Rx.NET GitHub Wiki

AsyncEnumerable.Sum<TSource> Method (IAsyncEnumerable<TSource>, Func<TSource, Nullable<Int32>>)

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Namespace: System.Linq
Assembly: System.Interactive.Async (in System.Interactive.Async.dll)

Syntax

public static Task<Nullable<int>> Sum<TSource>(
	this IAsyncEnumerable<TSource> source,
	Func<TSource, Nullable<int>> selector
)

Parameters

source

Type: System.Collections.Generic.IAsyncEnumerable<TSource>

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selector

Type: System.Func<TSource, Nullable<Int32>>

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Type Parameters

TSource

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Return Value

Type: Task<Nullable<Int32>>

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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

Reference

AsyncEnumerable Class
System.Linq Namespace

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