mapError method

@override Result<T> mapError(Failure transform(Failure failure))

If this is an Error, applies transform to the failure and wraps the outcome in a new Error. Otherwise propagates the Success unchanged.

Useful for translating low-level failures (e.g. a transport-level Failure.network) into a domain-specific failure before it bubbles up.

Implementation

@override
Result<T> mapError(Failure Function(Failure failure) transform) => this;