List.iter<'T> Function (F#)
Applies the given function to each element of the collection.
Namespace/Module Path: Microsoft.FSharp.Collections.List
Assembly: FSharp.Core (in FSharp.Core.dll)
Syntax
// Signature:
List.iter : ('T -> unit) -> 'T list -> unit
// Usage:
List.iter action list
Parameters
action Type: 'T ->unit
The function to apply to elements from the input list.
list Type: 'Tlist
The input list.
Remarks
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.
Example
let data = ["Cats";"Dogs";"Mice";"Elephants"]
data |> List.iter (fun x -> printfn "item: %s" x)
Output
item: Cats
item: Dogs
item: Mice
item: Elephants
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