IntrinsicFunctions.TypeTestFast<'T> Function (F#)

  • Article

A compiler intrinsic that implements the :? operator

Namespace/Module Path: Microsoft.FSharp.Core.LanguagePrimitives.IntrinsicFunctions

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

// Signature:
TypeTestFast : obj -> bool

// Usage:
TypeTestFast source

Parameters

  • source
    Type: obj

    The object to test.

Return Value

true if the type matches the specified type; otherwise false.

Remarks

This function is for use by compiled F# code and should not be used directly.

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

LanguagePrimitives.IntrinsicFunctions Module (F#)

Core.LanguagePrimitives Module (F#)