semigroupoids-5.2.2: Semigroupoids: Category sans id

Copyright(C) 2011-2015 Edward Kmett
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityprovisional
Portabilitypolykinds
Safe HaskellNone
LanguageHaskell98

Data.Isomorphism

Description

 

Documentation

data Iso k a b Source #

Constructors

Iso 

Fields

Instances

Category k1 k2 => Category k1 (Iso k1 k2) Source # 

Methods

id :: cat a a #

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

Semigroupoid k1 k2 => Semigroupoid k1 (Iso k1 k2) Source # 

Methods

o :: c j k -> c i j -> c i k Source #

Semigroupoid k1 k2 => Groupoid k1 (Iso k1 k2) Source # 

Methods

inv :: k a b -> k b a Source #