comonad-4.2.3: Comonads

Copyright(C) 2008-2013 Edward Kmett
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityprovisional
Portabilityportable
Safe HaskellSafe-Inferred
LanguageHaskell2010

Control.Comonad.Hoist.Class

Description

 

Documentation

class ComonadHoist t where Source

Methods

cohoist :: (Comonad w, Comonad v) => (forall x. w x -> v x) -> t w a -> t v a Source

Given any comonad-homomorphism from w to v this yields a comonad homomorphism from t w to t v.