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GHC 9.10.3 · lts/ghc-9.10.x · c74966e · 2026-09-27

Modulebifunctors-5.6.2Haskell2010

Data.Bifunctor.Functor

  • 1 type
  • 3 classes
  • 2 values
  • Packagebifunctors-5.6.2
  • Exports6
  • LanguageHaskell2010
  • LicenceBSD-3-Clause
  • SourceFunctor.hs
typetype (:->) (p :: k -> k1 -> Type) (q :: k -> k1 -> Type) = forall (a :: k) (b :: k1). p a b -> q a b
#

Using parametricity as an approximation of a natural transformation in two arguments.