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GHC 10.0.0.20260917 · lts/ghc-10.0.x · b098160 · 2026-10-12

Modulesemigroupoids-6.0.2Haskell2010

Data.Groupoid

  • 1 class
classclass Semigroupoid k => Groupoid (k :: k1 -> k1 -> 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 :: k a b -> k b a
Instances5Groupoid