Option.iter<'T> Function (F#)

Executes a function for an option value.

Namespace/Module Path: Microsoft.FSharp.Core.Option

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

// Signature:
iter : ('T -> unit) -> 'T option -> unit

// Usage:
iter action option


Type: 'T -> unit

A function to apply to the option value.


Type: 'T option

The input option.

The expression iter f inp executes match inp with None -> () | Some x -> f x.

This function is named Iterate 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: 2.0, 4.0, Portable

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