Patterns.TryFinally Active Pattern (F#)

  • Article

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

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

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

// 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 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

Quotations.Patterns Module (F#)

Microsoft.FSharp.Quotations Namespace (F#)