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Core.AllowNullLiteralAttribute Class (F#)

Adding this attribute to a type lets the null literal be used for the type within F# code. This attribute may only be added to F#-defined class or interface types.

Namespace/Module Path: Microsoft.FSharp.Core

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

[<AttributeUsage(AttributeTargets.Class, AllowMultiple = false)>]
[<Sealed>]
type AllowNullLiteralAttribute =
 class
  new AllowNullLiteralAttribute : unit -> AllowNullLiteralAttribute
 end

You can also use the short form of the name, AllowNullLiteral.

Member

Description

new

Creates an instance of the attribute

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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