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Expr.UnionCaseTest Method (F#)

Den Delimarsky|Last Updated: 8/18/2017
1 Contributor

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)


source Type: Expr

The expression to test.

unionCase Type: UnionCaseInfo

The description of the union case.

Return Value

The resulting expression.



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

Quotations.Expr Class (F#)

Microsoft.FSharp.Quotations Namespace (F#)

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