API@uimatch/coreFunctionsmapErrOn this pageFunction: mapErr() function mapErr<T, E, F>(result, fn): Result<T, F>; Defined in: packages/uimatch-core/src/types/result.ts:102 Map an error to a new error Type Parameters T T E E F F Parameters result Result<T, E> fn (error) => F Returns Result<T, F>