map3<C, D, E> method
Change type of this Either based on its value of type R
, the
value of type C
of a second Either, and the value of type D
of a third Either.
Implementation
@override
Either<L, E> map3<C, D, E>(covariant Either<L, C> m1,
covariant Either<L, D> m2, E Function(R b, C c, D d) f) =>
flatMap((b) => m1.flatMap((c) => m2.map((d) => f(b, c, d))));