ExtraTopLevelOperators.failwithf<'T,'Result> Function (F#)
Print to a string buffer and raise an exception with the given result. Helper printers must return strings.
Namespace/Module Path: Microsoft.FSharp.Core.ExtraTopLevelOperators
Assembly: FSharp.Core (in FSharp.Core.dll)
// Signature:
failwithf : StringFormat<'T,'Result> -> 'T
// Usage:
failwithf format
Parameters
- format
Type: StringFormat<'T,'Result>
Remarks
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.
Example
The following code example illustrates the use of failwithf.
let reportError componentName code =
failwithf "Component %s reported a failure. Error code: 0x%x" componentName code
reportError "Filesystem monitor" 0x80000005
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