Functor

monad.types.functor - The Functor Class.

class monad.types.functor.Functor(value)[source]

Bases: object

The Functor Class.

Defines function fmap, and should satisfy these laws:

fmap id  ==  id
fmap (f . g)  ==  fmap f . fmap g
fmap(function)[source]

The fmap operation.