pandora-0.3.1: A box of patterns and paradigms

Safe HaskellSafe
LanguageHaskell2010

Pandora.Pattern.Object.Group

Synopsis

Documentation

class Quasiring a => Group a where Source #

When providing a new instance, you should ensure it satisfies the two laws:
* Right absorption: x * invert x ≡ zero
* Left absorption: invert x * x ≡ zero

Methods

invert :: a -> a Source #

Instances
Group Boolean Source # 
Instance details

Defined in Pandora.Paradigm.Primary.Object.Boolean

Group a => Group (Identity a) Source # 
Instance details

Defined in Pandora.Paradigm.Primary.Functor.Identity

Methods

invert :: Identity a -> Identity a Source #

(Group s, Group a) => Group (Product s a) Source # 
Instance details

Defined in Pandora.Paradigm.Primary.Functor.Product

Methods

invert :: Product s a -> Product s a Source #

Group a => Group (Tagged tag a) Source # 
Instance details

Defined in Pandora.Paradigm.Primary.Functor.Tagged

Methods

invert :: Tagged tag a -> Tagged tag a Source #

Group a => Group (Constant a b) Source # 
Instance details

Defined in Pandora.Paradigm.Primary.Functor.Constant

Methods

invert :: Constant a b -> Constant a b Source #