Safe Haskell	None
Language	Haskell2010

Control.Effect.Random

Synopsis

data Random m k
- = Random a => Random (a -> k)
- | Random a => RandomR (a, a) (a -> k)
- | Interleave (m a) (a -> k)
runRandom :: g -> RandomC g m a -> m (g, a)
evalRandom :: Functor m => g -> RandomC g m a -> m a
execRandom :: Functor m => g -> RandomC g m a -> m g
evalRandomIO :: MonadIO m => RandomC StdGen m a -> m a
newtype RandomC g m a = RandomC {
- runRandomC :: StateC g m a
}
class Monad m => MonadRandom (m :: Type -> Type) where
- getRandomR :: Random a => (a, a) -> m a
- getRandom :: Random a => m a
- getRandomRs :: Random a => (a, a) -> m [a]
- getRandoms :: Random a => m [a]
class MonadRandom m => MonadInterleave (m :: Type -> Type) where
- interleave :: m a -> m a

Documentation

data Random m k Source #

Constructors

Random a => Random (a -> k)
Random a => RandomR (a, a) (a -> k)
Interleave (m a) (a -> k)

Instances

Effect Random Source #
Instance details Defined in Control.Effect.Random Methods handle :: Functor f => f () -> (forall x. f (m x) -> n (f x)) -> Random m (m a) -> Random n (n (f a)) Source #
HFunctor Random Source #
Instance details Defined in Control.Effect.Random Methods fmap' :: (a -> b) -> Random m a -> Random m b Source # hmap :: (forall x. m x -> n x) -> Random m a -> Random n a Source #
Functor (Random m) Source #
Instance details Defined in Control.Effect.Random Methods fmap :: (a -> b) -> Random m a -> Random m b # (<$) :: a -> Random m b -> Random m a #
(Carrier sig m, Effect sig, RandomGen g) => Carrier (Random :+: sig) (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods eff :: (Random :+: sig) (RandomC g m) (RandomC g m a) -> RandomC g m a Source # ret :: a -> RandomC g m a Source #

runRandom :: g -> RandomC g m a -> m (g, a) Source #

Run a random computation starting from a given generator.

run (runRandom (PureGen a) (pure b)) == (PureGen a, b)

evalRandom :: Functor m => g -> RandomC g m a -> m a Source #

Run a random computation starting from a given generator and discarding the final generator.

run (evalRandom (PureGen a) (pure b)) == b

execRandom :: Functor m => g -> RandomC g m a -> m g Source #

Run a random computation starting from a given generator and discarding the final result.

run (execRandom (PureGen a) (pure b)) == PureGen a

evalRandomIO :: MonadIO m => RandomC StdGen m a -> m a Source #

Run a random computation in IO, splitting the global standard generator to get a new one for the computation.

newtype RandomC g m a Source #

Constructors

RandomC
Fields runRandomC :: StateC g m a

Instances

MonadTrans (RandomC g) Source #
Instance details Defined in Control.Effect.Random Methods lift :: Monad m => m a -> RandomC g m a #
Monad m => Monad (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods (>>=) :: RandomC g m a -> (a -> RandomC g m b) -> RandomC g m b # (>>) :: RandomC g m a -> RandomC g m b -> RandomC g m b # return :: a -> RandomC g m a # fail :: String -> RandomC g m a #
Functor m => Functor (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods fmap :: (a -> b) -> RandomC g m a -> RandomC g m b # (<$) :: a -> RandomC g m b -> RandomC g m a #
MonadFail m => MonadFail (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods fail :: String -> RandomC g m a #
Monad m => Applicative (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods pure :: a -> RandomC g m a # (<>) :: RandomC g m (a -> b) -> RandomC g m a -> RandomC g m b # liftA2 :: (a -> b -> c) -> RandomC g m a -> RandomC g m b -> RandomC g m c # (>) :: RandomC g m a -> RandomC g m b -> RandomC g m b # (<*) :: RandomC g m a -> RandomC g m b -> RandomC g m a #
MonadIO m => MonadIO (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods liftIO :: IO a -> RandomC g m a #
(Alternative m, Monad m) => Alternative (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods empty :: RandomC g m a # (<\|>) :: RandomC g m a -> RandomC g m a -> RandomC g m a # some :: RandomC g m a -> RandomC g m [a] # many :: RandomC g m a -> RandomC g m [a] #
(Alternative m, Monad m) => MonadPlus (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods mzero :: RandomC g m a # mplus :: RandomC g m a -> RandomC g m a -> RandomC g m a #
(Carrier sig m, Effect sig, RandomGen g) => MonadInterleave (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods interleave :: RandomC g m a -> RandomC g m a #
(Carrier sig m, Effect sig, RandomGen g) => MonadRandom (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods getRandomR :: Random a => (a, a) -> RandomC g m a # getRandom :: Random a => RandomC g m a # getRandomRs :: Random a => (a, a) -> RandomC g m [a] # getRandoms :: Random a => RandomC g m [a] #
(Carrier sig m, Effect sig, RandomGen g) => Carrier (Random :+: sig) (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods eff :: (Random :+: sig) (RandomC g m) (RandomC g m a) -> RandomC g m a Source # ret :: a -> RandomC g m a Source #

class Monad m => MonadRandom (m :: Type -> Type) where #

Methods

getRandomR :: Random a => (a, a) -> m a #

getRandom :: Random a => m a #

getRandomRs :: Random a => (a, a) -> m [a] #

getRandoms :: Random a => m [a] #

Instances

MonadRandom IO
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> IO a # getRandom :: Random a => IO a # getRandomRs :: Random a => (a, a) -> IO [a] # getRandoms :: Random a => IO [a] #
MonadRandom m => MonadRandom (ListT m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> ListT m a # getRandom :: Random a => ListT m a # getRandomRs :: Random a => (a, a) -> ListT m [a] # getRandoms :: Random a => ListT m [a] #
MonadRandom m => MonadRandom (MaybeT m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> MaybeT m a # getRandom :: Random a => MaybeT m a # getRandomRs :: Random a => (a, a) -> MaybeT m [a] # getRandoms :: Random a => MaybeT m [a] #
MonadRandom m => MonadRandom (IdentityT m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> IdentityT m a # getRandom :: Random a => IdentityT m a # getRandomRs :: Random a => (a, a) -> IdentityT m [a] # getRandoms :: Random a => IdentityT m [a] #
(Error e, MonadRandom m) => MonadRandom (ErrorT e m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> ErrorT e m a # getRandom :: Random a => ErrorT e m a # getRandomRs :: Random a => (a, a) -> ErrorT e m [a] # getRandoms :: Random a => ErrorT e m [a] #
MonadRandom m => MonadRandom (ExceptT e m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> ExceptT e m a # getRandom :: Random a => ExceptT e m a # getRandomRs :: Random a => (a, a) -> ExceptT e m [a] # getRandoms :: Random a => ExceptT e m [a] #
MonadRandom m => MonadRandom (ReaderT r m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> ReaderT r m a # getRandom :: Random a => ReaderT r m a # getRandomRs :: Random a => (a, a) -> ReaderT r m [a] # getRandoms :: Random a => ReaderT r m [a] #
MonadRandom m => MonadRandom (StateT s m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> StateT s m a # getRandom :: Random a => StateT s m a # getRandomRs :: Random a => (a, a) -> StateT s m [a] # getRandoms :: Random a => StateT s m [a] #
MonadRandom m => MonadRandom (StateT s m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> StateT s m a # getRandom :: Random a => StateT s m a # getRandomRs :: Random a => (a, a) -> StateT s m [a] # getRandoms :: Random a => StateT s m [a] #
(MonadRandom m, Monoid w) => MonadRandom (WriterT w m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> WriterT w m a # getRandom :: Random a => WriterT w m a # getRandomRs :: Random a => (a, a) -> WriterT w m [a] # getRandoms :: Random a => WriterT w m [a] #
(MonadRandom m, Monoid w) => MonadRandom (WriterT w m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> WriterT w m a # getRandom :: Random a => WriterT w m a # getRandomRs :: Random a => (a, a) -> WriterT w m [a] # getRandoms :: Random a => WriterT w m [a] #
(Carrier sig m, Effect sig, RandomGen g) => MonadRandom (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods getRandomR :: Random a => (a, a) -> RandomC g m a # getRandom :: Random a => RandomC g m a # getRandomRs :: Random a => (a, a) -> RandomC g m [a] # getRandoms :: Random a => RandomC g m [a] #
MonadRandom m => MonadRandom (ContT r m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> ContT r m a # getRandom :: Random a => ContT r m a # getRandomRs :: Random a => (a, a) -> ContT r m [a] # getRandoms :: Random a => ContT r m [a] #
(Monoid w, MonadRandom m) => MonadRandom (RWST r w s m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> RWST r w s m a # getRandom :: Random a => RWST r w s m a # getRandomRs :: Random a => (a, a) -> RWST r w s m [a] # getRandoms :: Random a => RWST r w s m [a] #
(Monoid w, MonadRandom m) => MonadRandom (RWST r w s m)
Instance details Defined in Control.Monad.Random.Class Methods getRandomR :: Random a => (a, a) -> RWST r w s m a # getRandom :: Random a => RWST r w s m a # getRandomRs :: Random a => (a, a) -> RWST r w s m [a] # getRandoms :: Random a => RWST r w s m [a] #

class MonadRandom m => MonadInterleave (m :: Type -> Type) where #

Methods

interleave :: m a -> m a #

Instances

MonadInterleave m => MonadInterleave (ListT m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: ListT m a -> ListT m a #
MonadInterleave m => MonadInterleave (MaybeT m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: MaybeT m a -> MaybeT m a #
MonadInterleave m => MonadInterleave (IdentityT m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: IdentityT m a -> IdentityT m a #
(Error e, MonadInterleave m) => MonadInterleave (ErrorT e m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: ErrorT e m a -> ErrorT e m a #
MonadInterleave m => MonadInterleave (ExceptT e m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: ExceptT e m a -> ExceptT e m a #
MonadInterleave m => MonadInterleave (ReaderT r m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: ReaderT r m a -> ReaderT r m a #
MonadInterleave m => MonadInterleave (StateT s m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: StateT s m a -> StateT s m a #
MonadInterleave m => MonadInterleave (StateT s m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: StateT s m a -> StateT s m a #
(Monoid w, MonadInterleave m) => MonadInterleave (WriterT w m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: WriterT w m a -> WriterT w m a #
(Monoid w, MonadInterleave m) => MonadInterleave (WriterT w m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: WriterT w m a -> WriterT w m a #
(Carrier sig m, Effect sig, RandomGen g) => MonadInterleave (RandomC g m) Source #
Instance details Defined in Control.Effect.Random Methods interleave :: RandomC g m a -> RandomC g m a #
MonadInterleave m => MonadInterleave (ContT r m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: ContT r m a -> ContT r m a #
(Monoid w, MonadInterleave m) => MonadInterleave (RWST r w s m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: RWST r w s m a -> RWST r w s m a #
(Monoid w, MonadInterleave m) => MonadInterleave (RWST r w s m)
Instance details Defined in Control.Monad.Random.Class Methods interleave :: RWST r w s m a -> RWST r w s m a #