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Printf.failwithf<'T,'Result> Function (F#)

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

Prints to a string buffer and raises an exception with the given result. Helper printers must return strings.

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

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


// Signature:
failwithf : StringFormat<'T,'Result> -> 'T

// Usage:
failwithf format


format Type: StringFormat<'T,'Result>

The input formatter.

Return Value

The arguments of the formatter.


This function is named PrintFormatToStringThenFail in compiled assemblies. If you are accessing the member from a language other than F#, or through reflection, use this name.


Windows 8, Windows7, Windows Server 2012, Windows Server 2008 R2

Version Information

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

See Also

Core.Printf Module (F#)

Microsoft.FSharp.Core Namespace (F#)

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