Array.sortInPlaceWith<'T> Function (F#)

  • Article

Sorts the elements of an array by mutating the array in place, using the given comparison function as the order.

Namespace/Module Path: Microsoft.FSharp.Collections.Array

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

// Signature:
Array.sortInPlaceWith : ('T -> 'T -> int) -> 'T [] -> unit

// Usage:
Array.sortInPlaceWith comparer array

Parameters

  • comparer
    Type: 'T -> 'T ->int

    The function to compare pairs of array elements.

  • array
    Type: 'T[]

    The input array.

Remarks

This function is named SortInPlaceWith in compiled assemblies. If accessing the function from a language other than F#, or through reflection, use this name.

Example

The following code example shows how to use Array.sortInPlaceWith.

open System

let array1 = [| "<>"; "&"; "&&"; "&&&"; "<"; ">"; "|"; "||"; "|||" |]
printfn "Before sorting: "
array1 |> printfn "%A" 
let sortFunction (string1:string) (string2:string) =
    if (string1.Length > string2.Length) then
       1
    else if (string1.Length < string2.Length) then
       -1
    else
        String.Compare(string1, string2)
Array.sortInPlaceWith sortFunction array1
printfn "After sorting: "
array1 |> printfn "%A"

Output

Before sorting: 
[|"<>"; "&"; "&&"; "&&&"; "<"; ">"; "|"; "||"; "|||"|]
After sorting: 
[|"&"; "|"; "<"; ">"; "&&"; "||"; "<>"; "&&&"; "|||"|]

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

See Also

Reference

Collections.Array Module (F#)

Microsoft.FSharp.Collections Namespace (F#)