Control.Monad.Trans.Memo.StateCache

Generic StateCache - wrapper around StateT

Documentation

data StateCache c m a

Instances

MArray IOUArray e IO => MArray IOUArray e (StateCache c IO)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

getBounds :: Ix i => IOUArray i e -> StateCache c IO (i, i)

getNumElements :: Ix i => IOUArray i e -> StateCache c IO Int

newArray :: Ix i => (i, i) -> e -> StateCache c IO (IOUArray i e)

newArray_ :: Ix i => (i, i) -> StateCache c IO (IOUArray i e)

unsafeNewArray_ :: Ix i => (i, i) -> StateCache c IO (IOUArray i e)

unsafeRead :: Ix i => IOUArray i e -> Int -> StateCache c IO e

unsafeWrite :: Ix i => IOUArray i e -> Int -> e -> StateCache c IO ()

MArray IOArray e (StateCache c IO)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

getBounds :: Ix i => IOArray i e -> StateCache c IO (i, i)

getNumElements :: Ix i => IOArray i e -> StateCache c IO Int

newArray :: Ix i => (i, i) -> e -> StateCache c IO (IOArray i e)

newArray_ :: Ix i => (i, i) -> StateCache c IO (IOArray i e)

unsafeNewArray_ :: Ix i => (i, i) -> StateCache c IO (IOArray i e)

unsafeRead :: Ix i => IOArray i e -> Int -> StateCache c IO e

unsafeWrite :: Ix i => IOArray i e -> Int -> e -> StateCache c IO ()

(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.Expandable

Methods

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

(Monad m, MapLike c k v) => MonadMemo k v (MemoStateT c k v m)

Defined in Control.Monad.Trans.Memo.State

Methods

memo :: (k -> MemoStateT c k v m v) -> k -> MemoStateT c k v 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.Expandable

Methods

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

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

(Monad m, MapLike c k v) => MonadCache k v (MemoStateT c k v m)

Defined in Control.Monad.Trans.Memo.State

Methods

lookup :: k -> MemoStateT c k v m (Maybe v)

add :: k -> v -> MemoStateT c k v m ()

MonadTrans (StateCache c)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

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

MArray (STUArray s) e (ST s) => MArray (STUArray s) e (StateCache c (ST s))

Defined in Control.Monad.Trans.Memo.StateCache

Methods

getBounds :: Ix i => STUArray s i e -> StateCache c (ST s) (i, i)

getNumElements :: Ix i => STUArray s i e -> StateCache c (ST s) Int

newArray :: Ix i => (i, i) -> e -> StateCache c (ST s) (STUArray s i e)

newArray_ :: Ix i => (i, i) -> StateCache c (ST s) (STUArray s i e)

unsafeNewArray_ :: Ix i => (i, i) -> StateCache c (ST s) (STUArray s i e)

unsafeRead :: Ix i => STUArray s i e -> Int -> StateCache c (ST s) e

unsafeWrite :: Ix i => STUArray s i e -> Int -> e -> StateCache c (ST s) ()

MArray (STArray s) e (StateCache c (ST s))

Defined in Control.Monad.Trans.Memo.StateCache

Methods

getBounds :: Ix i => STArray s i e -> StateCache c (ST s) (i, i)

getNumElements :: Ix i => STArray s i e -> StateCache c (ST s) Int

newArray :: Ix i => (i, i) -> e -> StateCache c (ST s) (STArray s i e)

newArray_ :: Ix i => (i, i) -> StateCache c (ST s) (STArray s i e)

unsafeNewArray_ :: Ix i => (i, i) -> StateCache c (ST s) (STArray s i e)

unsafeRead :: Ix i => STArray s i e -> Int -> StateCache c (ST s) e

unsafeWrite :: Ix i => STArray s i e -> Int -> e -> StateCache c (ST s) ()

Monad m => Monad (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

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

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

return :: a -> StateCache c m a

fail :: String -> StateCache c m a

Functor m => Functor (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

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

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

MonadFix m => MonadFix (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

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

Monad m => Applicative (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

pure :: a -> StateCache c m a

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

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

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

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

MonadIO m => MonadIO (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

liftIO :: IO a -> StateCache c m a

MonadPlus m => Alternative (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

empty :: StateCache c m a

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

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

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

MonadPlus m => MonadPlus (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Methods

mzero :: StateCache c m a

mplus :: StateCache c m a -> StateCache c m a -> StateCache c m a

PrimMonad m => PrimMonad (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

Associated Types

type PrimState (StateCache c m) :: *

Methods

primitive :: (State# (PrimState (StateCache c m)) -> (#State# (PrimState (StateCache c m)), a#)) -> StateCache c m a

type PrimState (StateCache c m)

Defined in Control.Monad.Trans.Memo.StateCache

type PrimState (StateCache c m) = PrimState m

runStateCache :: StateCache s m a -> s -> m (a, s)

container :: Monad m => StateCache c m c

Returns internal container

setContainer :: Monad m => c -> StateCache c m ()

Assigns new value to internal container

evalStateCache :: Monad m => StateCache c m a -> c -> m a

Evaluates computation discarding the resulting container