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Expr.UnionCaseTest Method (F#)

  • Article

Creates an expression that represents a test of a value is of a particular union case.

Namespace/Module Path: Microsoft.FSharp.Quotations

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

// Signature:
static member UnionCaseTest : Expr * UnionCaseInfo -> Expr

// Usage:
Expr.UnionCaseTest (source, unionCase)

Parameters

  • source
    Type: Expr

    The expression to test.

  • unionCase
    Type: UnionCaseInfo

    The description of the union case.

Return Value

The resulting expression.

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

Quotations.Expr Class (F#)

Microsoft.FSharp.Quotations Namespace (F#)