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GHC 9.10.3 · lts/ghc-9.10.x · 248f8f0 · 2026-10-05

Modulesemigroupoids-6.0.1Haskell2010

Data.Groupoid

  • 1 class
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