Observable.map<'T,'U> Function (F#)

  • Article

Returns an observable which transforms the observations of the source by the given function. The transformation function is executed once for each subscribed observer. The returned object also propagates error observations arising from the source and completes when the source completes.

Namespace/Module Path: Microsoft.FSharp.Control.Observable

Assembly: FSharp.Core (in FSharp.Core.dll)

// Signature:
Observable.map : ('T -> 'U) -> IObservable<'T> -> IObservable<'U>

// Usage:
Observable.map mapping source

Parameters

  • mapping
    Type: 'T -> 'U

    The function applied to observations from the source.

  • source
    Type: IObservable<'T>

    The input Observable.

Return Value

An Observable of the type specified by mapping.

Remarks

This function is named Map in compiled assemblies. If you are accessing the function from a language other than F#, or through reflection, use this name.

Platforms

Windows 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2

Version Information

F# Runtime

Supported in: 2.0, 4.0

Silverlight

Supported in: 3

See Also

Reference

Control.Observable Module (F#)

Microsoft.FSharp.Control Namespace (F#)