HORIZON HASKELLDocslts/ghc-10.0.x8174fa42026-10-11Search names, modules, packages, or :: a typeCtrl K

GHC 10.0.0.20260917 · lts/ghc-10.0.x · 8174fa4 · 2026-10-11

Modulesemigroupoids-6.0.2Haskell2010

Data.Semigroupoid

A semigroupoid satisfies all of the requirements to be a Category except for the existence of identity arrows.

  • 2 types
  • 1 class
classclass Semigroupoid (c :: k -> k -> Type) where
#

Methods

  • o :: c j k1 -> c i j -> c i k1
Instances16Semigroupoid, …