map3<C, D, E> method
Change type of this Task based on its value of type A
, the
value of type C
of a second Task, and the value of type D
of a third Task.
Implementation
@override
Task<E> map3<C, D, E>(covariant Task<C> mc, covariant Task<D> md,
E Function(A a, C c, D d) f) =>
flatMap((a) => mc.flatMap((c) => md.map((d) => f(a, c, d))));