proton-0.0.4
Safe HaskellNone
LanguageHaskell2010

Examples.Layers

Documentation

forward :: Profunctor p => (s -> a) -> Optic p s t a t Source #

back :: Profunctor p => (x -> t) -> Optic p s t s x Source #

lookup'er :: Eq a => AlgebraicLens (a, b) (a, Maybe b) a a Source #