Function mapErr

mapErr<T, E, F>(fn: (value: E) => F, result: Result<T, E>): Result<T, F>
Maps a Result<T, E> to Result<T, F> by applying a function to the contained value.
Type Parameters
- T
- E
- F
Parameters
- fn: (value: E) => F
  Error mapping function.
- result: Result<T, E>
  Result to map.
Returns Result<T, F>
Mapped result error.
- Defined in index.ts:151