Array.empty<'T> Type Function (F#)
Returns an empty array of the given type.
Namespace/Module Path: Microsoft.FSharp.Collections.Array
Assembly: FSharp.Core (in FSharp.Core.dll)
// Signature:
Array.empty<'T> : 'T []
// Usage:
Array.empty
Return Value
An empty array.
Remarks
This function is named Empty in compiled assemblies. If you are accessing the function from a .NET language other than F#, or through reflection, use this name.
Example
The following code shows how to use Array.empty.
// Specify the type by using a type argument.
let array1 = Array.empty<int>
// Specify the type by using a type annotation.
let array2 : int array = Array.empty
// Even though array3 has a generic type,
// you can still use methods such as Length on it.
let array3 = Array.empty
printfn "Length of empty array: %d" array3.Length
Output
Length of empty array: 0
Platforms
Windows 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2
Version Information
F# Runtime
Supported in: 2.0, 4.0
Silverlight
Supported in: 3