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Patterns.TryFinally Active Pattern (F#)

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

Recognizes expressions that represent a try...finally construct.

Namespace/Module Path: Microsoft.FSharp.Quotations.Patterns

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

Syntax

// Signature:
( |TryFinally|_| ) : (input:Expr) -> (Expr * Expr) option

Parameters

input Type: Expr

The input expression to match against.

Return Value

The formal return type is (Expr * Expr) option. The option type indicates whether the input expression results in a match. In a pattern matching expression, the input expression is decomposed, upon a successful match, into a tuple of two expressions. The first expression represents the code in the try block. The second expression represents the code in the finally block.

Remarks

This function is named TryFinallyPattern in the .NET Framework assembly. If you are accessing the member from a .NET Framework language other than F#, or through reflection, use this name.

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

Quotations.Patterns Module (F#)

Microsoft.FSharp.Quotations Namespace (F#)

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