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Core.AllowNullLiteralAttribute Class (F#)

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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(4, AllowMultiple = false)>]
[<Sealed>]
type AllowNullLiteralAttribute =
 class
  new AllowNullLiteralAttribute : unit -> AllowNullLiteralAttribute
 end

Remarks

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

Constructors

Member

Description

new

Creates an instance of the attribute

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

See Also

Reference

Microsoft.FSharp.Core Namespace (F#)