Papa.Base.Export.Control.Category

Documentation

class Category k (cat :: k -> k -> *) where

A class for categories. id and (.) must form a monoid.

Minimal complete definition

id, (.)

Methods

id :: cat a a

the identity morphism

(.) :: cat b c -> cat a b -> cat a c infixr 9

morphism composition

Instances

Category k (Coercion k)

Since: 4.7.0.0

Methods

id :: cat a a

(.) :: cat b c -> cat a b -> cat a c

Category k ((:~:) k)

Since: 4.7.0.0

Methods

id :: cat a a

(.) :: cat b c -> cat a b -> cat a c

Category k ((:~~:) k k)

Since: 4.10.0.0

Methods

id :: cat a a

(.) :: cat b c -> cat a b -> cat a c

Category * ((->) LiftedRep LiftedRep)

Since: 3.0

Methods

id :: cat a a

(.) :: cat b c -> cat a b -> cat a c