Control.Monad.Trans.Memo.ReaderCache

Generic StateCache - wrapper around ReaderT

Documentation

data ReaderCache c m a

Instances

(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadMemo Int v (Cache c s e m)

Defined in Control.Monad.Memo.Vector.Unsafe

Methods

memo :: (Int -> Cache c s e m v) -> Int -> Cache c s e m v

(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadMemo Int v (Cache c s e m)

Defined in Control.Monad.Memo.Vector

Methods

memo :: (Int -> Cache c s e m v) -> Int -> Cache c s e m v

(Monad m, Ix k, MaybeLike e v, MArray c e m) => MonadMemo k v (Cache c k e m)

Defined in Control.Monad.Memo.Array

Methods

memo :: (k -> Cache c k e m v) -> k -> Cache c k e m v

(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadCache Int v (Cache c s e m)

Defined in Control.Monad.Memo.Vector.Unsafe

Methods

lookup :: Int -> Cache c s e m (Maybe v)

add :: Int -> v -> Cache c s e m ()

(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadCache Int v (Cache c s e m)

Defined in Control.Monad.Memo.Vector

Methods

lookup :: Int -> Cache c s e m (Maybe v)

add :: Int -> v -> Cache c s e m ()

(Monad m, Ix k, MaybeLike e v, MArray c e m) => MonadCache k v (Cache c k e m)

Defined in Control.Monad.Memo.Array

Methods

lookup :: k -> Cache c k e m (Maybe v)

add :: k -> v -> Cache c k e m ()

MonadTrans (ReaderCache c)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

lift :: Monad m => m a -> ReaderCache c m a

Monad m => Monad (ReaderCache c m)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

(>>=) :: ReaderCache c m a -> (a -> ReaderCache c m b) -> ReaderCache c m b

(>>) :: ReaderCache c m a -> ReaderCache c m b -> ReaderCache c m b

return :: a -> ReaderCache c m a

fail :: String -> ReaderCache c m a

Functor m => Functor (ReaderCache c m)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

fmap :: (a -> b) -> ReaderCache c m a -> ReaderCache c m b

(<$) :: a -> ReaderCache c m b -> ReaderCache c m a

MonadFix m => MonadFix (ReaderCache c m)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

mfix :: (a -> ReaderCache c m a) -> ReaderCache c m a

Applicative m => Applicative (ReaderCache c m)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

pure :: a -> ReaderCache c m a

(<*>) :: ReaderCache c m (a -> b) -> ReaderCache c m a -> ReaderCache c m b

liftA2 :: (a -> b -> c0) -> ReaderCache c m a -> ReaderCache c m b -> ReaderCache c m c0

(*>) :: ReaderCache c m a -> ReaderCache c m b -> ReaderCache c m b

(<*) :: ReaderCache c m a -> ReaderCache c m b -> ReaderCache c m a

MonadIO m => MonadIO (ReaderCache c m)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

liftIO :: IO a -> ReaderCache c m a

Alternative m => Alternative (ReaderCache c m)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

empty :: ReaderCache c m a

(<|>) :: ReaderCache c m a -> ReaderCache c m a -> ReaderCache c m a

some :: ReaderCache c m a -> ReaderCache c m [a]

many :: ReaderCache c m a -> ReaderCache c m [a]

MonadPlus m => MonadPlus (ReaderCache c m)

Defined in Control.Monad.Trans.Memo.ReaderCache

Methods

mzero :: ReaderCache c m a

mplus :: ReaderCache c m a -> ReaderCache c m a -> ReaderCache c m a

evalReaderCache :: ReaderCache r m a -> r -> m a

container :: Monad m => ReaderCache c m c

Returns internal container