Pandora.Pattern.Object.Group

Documentation

class Monoid a => Group a where

When providing a new instance, you should ensure it satisfies the two laws:
* Right absorption: x <> inverse x ≡ unit
* Left absorption: inverse x <> x ≡ unit

Methods

inverse :: a -> a

Instances

Group a => Group (Identity a)

Defined in Pandora.Paradigm.Basis.Identity

Methods

inverse :: Identity a -> Identity a

(Group a, Group b) => Group (Product a b)

Defined in Pandora.Paradigm.Basis.Product

Methods

inverse :: Product a b -> Product a b

Group a => Group (Constant a b)

Defined in Pandora.Paradigm.Basis.Constant

Methods

inverse :: Constant a b -> Constant a b