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GHC 9.14.1 · lts/ghc-9.14.x · 3e2d568 · 2026-10-11

Modulebifunctors-5.6.3Haskell2010

Data.Bifunctor.Joker

From the Functional Pearl "Clowns to the Left of me, Jokers to the Right: Dissecting Data Structures" by Conor McBride.

  • 1 type
  • Packagebifunctors-5.6.3
  • Exports1
  • LanguageHaskell2010
  • LicenceBSD-3-Clause
  • SourceJoker.hs
newtypenewtype Joker (g :: k -> Type) (a :: k1) (b :: k)
#

Make a Functor over the second argument of a Bifunctor.

Mnemonic: Clowns to the left (parameter of the Bifunctor), jokers to the right.

Constructors

Instances25Generic1, Bifoldable, Bifoldable1, Bifunctor, Bitraversable, Eq2, …