fold<R> abstract method

R fold<R>({
  1. required R onValid(
    1. T value
    ),
  2. required R onInvalid(
    1. List<E> errors
    ),
})

Transforms this result by applying onValid or onInvalid.

Implementation

R fold<R>({
  required R Function(T value) onValid,
  required R Function(List<E> errors) onInvalid,
});