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Expr.TryWith Method (F#)

  • Статья

Creates an expression that represents a try...with construct for exception filtering and catching.

Namespace/Module Path: Microsoft.FSharp.Quotations

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

// Signature:
static member TryWith : Expr * Var * Expr * Var * Expr -> Expr

// Usage:
Expr.TryWith (body, filterVar, filterBody, catchVar, catchBody)

Parameters

  • body
    Type: Expr

    The body of the try expression.

  • filterVar
    Type: Var

  • filterBody
    Type: Expr

  • catchVar
    Type: Var

    The variable to bind to a caught exception.

  • catchBody
    Type: Expr

    The expression evaluated when an exception is caught.

Return Value

The resulting expression.

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.Expr Class (F#)

Microsoft.FSharp.Quotations Namespace (F#)