map3<C, D, E> method
Change type of this Option based on its value of type T
, the
value of type C
of a second Option, and the value of type D
of a third Option.
Implementation
@override
Option<E> map3<C, D, E>(
covariant Option<C> mc,
covariant Option<D> md,
E Function(Never t, C c, D d) f,
) =>
this;