HORIZON HASKELLDocslts/ghc-9.14.x6d5fdfd2026-10-12Search packagesCtrl K
Theme: |

GHC 9.14.1 · lts/ghc-9.14.x · 6d5fdfd · 2026-10-12

Modulesemigroupoids-6.0.2Haskell2010

Data.Groupoid

Synopsis
classclass Semigroupoid k1 => Groupoid (k1 :: k -> k -> Type) where

semigroupoid with inverses. This technically should be a category with inverses, except we need to use Ob to define the valid objects for the category

Methods

  • inv :: k1 a b -> k1 b a
Instances5Groupoid