Share via

Operators.using<'T,'U> Function (F#)

  • Article

Clean up resources associated with the input object after the completion of the given function. Cleanup occurs even when an exception is raised by the protected code.

Namespace/Module Path: Microsoft.FSharp.Core.Operators

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

// Signature:
using : 'T -> ('T -> 'U) -> 'U (requires 'T :> IDisposable)

// Usage:
using resource action

Parameters

  • resource
    Type: 'T

    The resource to be disposed after action is called.

  • action
    Type: 'T -> 'U

    The action that accepts the resource.

Return Value

The resulting value.

Remarks

This function is named Using in compiled assemblies. If you are accessing the function from a 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

Core.Operators Module (F#)

Microsoft.FSharp.Core Namespace (F#)