Seq.pick<'T,'U> Function (F#)
Applies the given function to successive elements, returning the first value where the function returns a Some value.
Namespace/Module Path: Microsoft.FSharp.Collections.Seq
Assembly: FSharp.Core (in FSharp.Core.dll)
// Signature:
Seq.pick : ('T -> 'U option) -> seq<'T> -> 'U
// Usage:
Seq.pick chooser source
Parameters
chooser
Type: 'T -> 'UoptionA function to transform each item of the input sequence into an option of the output type.
source
Type: seq<'T>The input sequence.
Exceptions
Exception |
Condition |
|---|---|
Thrown when the input sequence is null. |
|
Thrown when every item of the sequence evaluates to None when the given function is applied. |
Return Value
The result sequence.
Remarks
This function is named Pick in compiled assemblies. If you are accessing the function from a .NET language other than F#, or through reflection, use this name.
Platforms
Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2
Version Information
F# Core Library Versions
Supported in: 2.0, 4.0, Portable