Function isFail

isFail<T>(result: Procedure<T>): result is IProcedureFailure
Type guard: narrows Procedure to IProcedureFailure.
Type Parameters
- T
Parameters
- result: Procedure<T>
  The Procedure to check.
Returns result is IProcedureFailure
True if the result is a failure.
- Defined in Types/ProcedureHelpers.ts:75