Function isFailure

isFailure<T, E extends Error>(result: Result<T, E>): result is Failure<E>
Type guard that checks if a Result is a Failure.
Type Parameters
- T
- E extends Error
Parameters
- result: Result<T, E>
  The Result to check
Returns result is Failure<E>
True if the result is a Failure, with proper type narrowing
- Defined in try-catch.ts:118