Graphics.UI.FreeGame.Internal.Raindrop

A portable implementation of lens(http://hackage.haskell.org/package/lens)

Documentation

view :: MonadReader s m => ((a -> Const a b) -> s -> Const a t) -> m a

view :: MonadReader s m => Getting a s a -> m a

over :: ((a -> Identity b) -> s -> Identity t) -> (a -> b) -> s -> t

over :: ASetter s t a b -> (a -> b) -> s -> t

biover :: ((a -> Identity b) -> (c -> Identity d) -> s -> Identity t) -> (a -> b) -> (c -> d) -> s -> t