| Portability | non-portable (fundeps, MPTCs) |
|---|---|
| Stability | experimental |
| Maintainer | Edward Kmett <ekmett@gmail.com> |
| Safe Haskell | None |
Control.Comonad.Store.Class
Description
Documentation
class Comonad w => ComonadStore s w | w -> s whereSource
Methods
peeks :: (s -> s) -> w a -> aSource
seeks :: (s -> s) -> w a -> w aSource
experiment :: Functor f => (s -> f s) -> w a -> f aSource
Instances
| (Comonad (IdentityT w), ComonadStore s w) => ComonadStore s (IdentityT w) | |
| (Comonad (TracedT m w), ComonadStore s w, Monoid m) => ComonadStore s (TracedT m w) | |
| (Comonad (EnvT e w), ComonadStore s w) => ComonadStore s (EnvT e w) | |
| (Comonad (StoreT s w), Comonad w) => ComonadStore s (StoreT s w) |
lowerPos :: (ComonadTrans t, ComonadStore s w) => t w a -> sSource
lowerPeek :: (ComonadTrans t, ComonadStore s w) => s -> t w a -> aSource