Parallel.choose<'T,'U> Function (F#)

Applies a supplied function to each element of an array and returns an array that contains the results for each element where the function returns Some.

Namespace/Module Path: Microsoft.FSharp.Collections.ArrayModule.Parallel

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

// Signature:
choose : ('T -> 'U option) -> 'T [] -> 'U []

// Usage:
choose chooser array

Parameters

• chooser
  Type: 'T -> 'U option

  The function used to generate options from the elements.

• array
  Type: 'T []

  The input array.

Return Value

The array that contains the results for each element where the function returns Some.

Remarks

This function performs the operation in parallel by using [O:System.Threading.Tasks.Parallel.For]. The order in which the given function is applied to elements of the input array is not specified.

This function is named Choose 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: 4.0

Silverlight

Not supported

See Also

Reference

Array.Parallel Module (F#)

Collections.Array Module (F#)