map abstract method

Either<L, R> map({
  1. required MapCallback<L> onLeft,
  2. required MapCallback<R> onRight,
})

Return the Either result in one of these functions.

if the result is an Left, it will be returned in onLeft, if it is a Right it will be returned in onRight.

Implementation

Either<L, R> map({
  required MapCallback<L> onLeft,
  required MapCallback<R> onRight,
});