FunctorLike

trait FunctorLike[F[_], =>:[_, _]]

Has the map operation of a functor. When =>: forms a category (on Scala types), then FunctorLike is a functor if it satisfies the functor laws.

class Object

trait Matchable

class Any

trait FromCovariant[F, =>:]

Type members

View this covariant functor as a contravariant functor in the opposite category.