25 Jun
2015
25 Jun
'15
3:02 p.m.
Try explaining them to increase your understanding
Functor: take a polymorphic type e.g. Maybe a define a functor instance for it (fmap) now we can write an (a -> a) function and apply it to the polymorphic type Applicative: allows to apply (a -> ... -> a) to the polymorphic type for which Functor & Applicative instance is defined ?