Polymorphism is not OOP, although OOP designs may be polymorphic. Many FP approaches leverage polymorphic functions heavily (and in fact in most they use a para

Polymorphism is not OOP, although OOP designs may be polymorphic. Many FP approaches leverage polymorphic functions heavily (and in fact in most they use a parametric style of polymorphism which provides a lot more structure than the OO-family ad-hoc polymorphism).