Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All

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

chooser

Type: 'T -> 'U option

The function used to generate options from the elements.

array

Type: 'T []

The input array.

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

This function performs the operation in parallel by using 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.

Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

F# Core Library Versions

Supported in: 4.0

Show:
© 2015 Microsoft