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Observable.Aggregate(TSource) Method (IObservable(TSource), Func(TSource, TSource, TSource))

Applies an accumulator function over an observable sequence.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive (in System.Reactive.dll)

static member Aggregate : 
        source:IObservable<'TSource> * 
        accumulator:Func<'TSource, 'TSource, 'TSource> -> IObservable<'TSource> 

Type Parameters

TSource

The type of source.

Parameters

source
Type: System.IObservable(TSource)
An observable sequence to aggregate over.
accumulator
Type: System.Func(TSource, TSource, TSource)
An accumulator function to be invoked on each element.

Return Value

Type: System.IObservable(TSource)
An observable sequence containing a single element with the final accumulator value.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable(TSource). When you use instance method syntax to call this method, omit the first parameter. For more information, see http://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
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