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

Den Delimarsky|Last Updated: 6/8/2016
|
1 Contributor

Reads a range of elements from the first array and writes them into the second.

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

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

Syntax

// Signature:
Array.blit : 'T [] -> int -> 'T [] -> int -> int -> unit

// Usage:
Array.blit source sourceIndex target targetIndex count

Parameters

source Type: 'T[]

The source array.

sourceIndex Type: int

The starting index of the source array.

target Type: 'T[]

The target array.

targetIndex Type: int

The starting index of the target array.

count Type: int

The number of elements to copy.

Remarks

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

Example

The following code example illustrates the use of Array.blit.


    let array1 = [| 1 .. 10 |]
    let array2 = Array.zeroCreate 20
    // Copy 4 elements from index 3 of array1 to index 5 of array2.
    Array.blit array1 3 array2 5 4
    printfn "%A" array2

Output

[|0; 0; 0; 0; 0; 4; 5; 6; 7; 0; 0; 0; 0; 0; 0; 0; 0; 0; 0; 0|]

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

Collections.Array Module (F#)

Microsoft.FSharp.Collections Namespace (F#)

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