Copyright	(c) Eduard Sergeev 2013
License	BSD-style (see the file LICENSE)
Maintainer	eduard.sergeev@gmail.com
Stability	experimental
Portability	non-portable
Safe Haskell	None
Language	Haskell2010

Control.Monad.Trans.Memo.ReaderCache

Description

Generic StateCache - wrapper around ReaderT

Synopsis

data ReaderCache c m a
evalReaderCache :: ReaderCache r m a -> r -> m a
container :: Monad m => ReaderCache c m c

Documentation

data ReaderCache c m a Source #

Instances

Instances details

MArray IOArray e (ReaderCache c IO) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Methods getBounds :: Ix i => IOArray i e -> ReaderCache c IO (i, i) getNumElements :: Ix i => IOArray i e -> ReaderCache c IO Int newArray :: Ix i => (i, i) -> e -> ReaderCache c IO (IOArray i e) newArray_ :: Ix i => (i, i) -> ReaderCache c IO (IOArray i e) unsafeNewArray_ :: Ix i => (i, i) -> ReaderCache c IO (IOArray i e) unsafeRead :: Ix i => IOArray i e -> Int -> ReaderCache c IO e unsafeWrite :: Ix i => IOArray i e -> Int -> e -> ReaderCache c IO ()
MArray IOUArray e IO => MArray IOUArray e (ReaderCache c IO) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Methods getBounds :: Ix i => IOUArray i e -> ReaderCache c IO (i, i) getNumElements :: Ix i => IOUArray i e -> ReaderCache c IO Int newArray :: Ix i => (i, i) -> e -> ReaderCache c IO (IOUArray i e) newArray_ :: Ix i => (i, i) -> ReaderCache c IO (IOUArray i e) unsafeNewArray_ :: Ix i => (i, i) -> ReaderCache c IO (IOUArray i e) unsafeRead :: Ix i => IOUArray i e -> Int -> ReaderCache c IO e unsafeWrite :: Ix i => IOUArray i e -> Int -> e -> ReaderCache c IO ()
(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadMemo Int v (Cache c s e m) Source #
Instance details Defined in Control.Monad.Memo.Vector.Unsafe Methods memo :: (Int -> Cache c s e m v) -> Int -> Cache c s e m v Source #
(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadMemo Int v (Cache c s e m) Source #
Instance details Defined in Control.Monad.Memo.Vector Methods memo :: (Int -> Cache c s e m v) -> Int -> Cache c s e m v Source #
(Monad m, Ix k, MaybeLike e v, MArray c e m) => MonadMemo k v (Cache c k e m) Source #
Instance details Defined in Control.Monad.Memo.Array Methods memo :: (k -> Cache c k e m v) -> k -> Cache c k e m v Source #
(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadCache Int v (Cache c s e m) Source #
Instance details Defined in Control.Monad.Memo.Vector.Unsafe Methods lookup :: Int -> Cache c s e m (Maybe v) Source # add :: Int -> v -> Cache c s e m () Source #
(PrimMonad m, PrimState m ~ s, MaybeLike e v, MVector c e) => MonadCache Int v (Cache c s e m) Source #
Instance details Defined in Control.Monad.Memo.Vector Methods lookup :: Int -> Cache c s e m (Maybe v) Source # add :: Int -> v -> Cache c s e m () Source #
(Monad m, Ix k, MaybeLike e v, MArray c e m) => MonadCache k v (Cache c k e m) Source #
Instance details Defined in Control.Monad.Memo.Array Methods lookup :: k -> Cache c k e m (Maybe v) Source # add :: k -> v -> Cache c k e m () Source #
MonadTrans (ReaderCache c) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Methods lift :: Monad m => m a -> ReaderCache c m a
MArray (STUArray s) e (ST s) => MArray (STUArray s) e (ReaderCache c (ST s)) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Methods getBounds :: Ix i => STUArray s i e -> ReaderCache c (ST s) (i, i) getNumElements :: Ix i => STUArray s i e -> ReaderCache c (ST s) Int newArray :: Ix i => (i, i) -> e -> ReaderCache c (ST s) (STUArray s i e) newArray_ :: Ix i => (i, i) -> ReaderCache c (ST s) (STUArray s i e) unsafeNewArray_ :: Ix i => (i, i) -> ReaderCache c (ST s) (STUArray s i e) unsafeRead :: Ix i => STUArray s i e -> Int -> ReaderCache c (ST s) e unsafeWrite :: Ix i => STUArray s i e -> Int -> e -> ReaderCache c (ST s) ()
MArray (STArray s) e (ReaderCache c (ST s)) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Methods getBounds :: Ix i => STArray s i e -> ReaderCache c (ST s) (i, i) getNumElements :: Ix i => STArray s i e -> ReaderCache c (ST s) Int newArray :: Ix i => (i, i) -> e -> ReaderCache c (ST s) (STArray s i e) newArray_ :: Ix i => (i, i) -> ReaderCache c (ST s) (STArray s i e) unsafeNewArray_ :: Ix i => (i, i) -> ReaderCache c (ST s) (STArray s i e) unsafeRead :: Ix i => STArray s i e -> Int -> ReaderCache c (ST s) e unsafeWrite :: Ix i => STArray s i e -> Int -> e -> ReaderCache c (ST s) ()
Monad m => Monad (ReaderCache c m) Source #
Instance details 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
Functor m => Functor (ReaderCache c m) Source #
Instance details 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) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Methods mfix :: (a -> ReaderCache c m a) -> ReaderCache c m a
Applicative m => Applicative (ReaderCache c m) Source #
Instance details 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
PrimMonad m => PrimMonad (ReaderCache c m) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Associated Types type PrimState (ReaderCache c m) Source # Methods primitive :: (State# (PrimState (ReaderCache c m)) -> (# State# (PrimState (ReaderCache c m)), a #)) -> ReaderCache c m a Source #
Alternative m => Alternative (ReaderCache c m) Source #
Instance details 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) Source #
Instance details 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
MonadIO m => MonadIO (ReaderCache c m) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache Methods liftIO :: IO a -> ReaderCache c m a
type PrimState (ReaderCache c m) Source #
Instance details Defined in Control.Monad.Trans.Memo.ReaderCache type PrimState (ReaderCache c m) = PrimState m
type UArray (ReaderCache c IO) Source #
Instance details Defined in Control.Monad.Memo.Array type UArray (ReaderCache c IO) = IOUArray
type UArray (ReaderCache c (ST s)) Source #
Instance details Defined in Control.Monad.Memo.Array type UArray (ReaderCache c (ST s)) = STUArray s
type Array (ReaderCache c IO) Source #
Instance details Defined in Control.Monad.Memo.Array type Array (ReaderCache c IO) = IOArray
type Array (ReaderCache c (ST s)) Source #
Instance details Defined in Control.Monad.Memo.Array type Array (ReaderCache c (ST s)) = STArray s

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

container :: Monad m => ReaderCache c m c Source #

Returns internal container