foundation-0.0.28: Alternative prelude with batteries and no dependencies
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Foundation.Monad

Synopsis

Documentation

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

Methods

liftIO :: IO a -> m a #

Instances

Instances details
MonadIO IO 
Instance details

Defined in Control.Monad.IO.Class

Methods

liftIO :: IO a -> IO a #

MonadIO m => MonadIO (ResourceT m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

liftIO :: IO a -> ResourceT m a #

(Functor m, MonadIO m) => MonadIO (StateT s m) Source # 
Instance details

Defined in Foundation.Monad.State

Methods

liftIO :: IO a -> StateT s m a #

MonadIO m => MonadIO (ReaderT r m) Source # 
Instance details

Defined in Foundation.Monad.Reader

Methods

liftIO :: IO a -> ReaderT r m a #

MonadIO m => MonadIO (ExceptT e m) Source # 
Instance details

Defined in Foundation.Monad.Except

Methods

liftIO :: IO a -> ExceptT e m a #

MonadIO m => MonadIO (Conduit i o m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

liftIO :: IO a -> Conduit i o m a #

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

Associated Types

type Failure (m :: Type -> Type) #

Methods

mFail :: Failure m -> m () #

Instances

Instances details
MonadFailure Maybe 
Instance details

Defined in Basement.Monad

Associated Types

type Failure Maybe #

Methods

mFail :: Failure Maybe -> Maybe () #

MonadFailure (Either a) 
Instance details

Defined in Basement.Monad

Associated Types

type Failure (Either a) #

Methods

mFail :: Failure (Either a) -> Either a () #

(Functor m, MonadFailure m) => MonadFailure (StateT s m) Source # 
Instance details

Defined in Foundation.Monad.State

Associated Types

type Failure (StateT s m) #

Methods

mFail :: Failure (StateT s m) -> StateT s m () #

MonadFailure m => MonadFailure (ReaderT r m) Source # 
Instance details

Defined in Foundation.Monad.Reader

Associated Types

type Failure (ReaderT r m) #

Methods

mFail :: Failure (ReaderT r m) -> ReaderT r m () #

Monad m => MonadFailure (ExceptT e m) Source # 
Instance details

Defined in Foundation.Monad.Except

Associated Types

type Failure (ExceptT e m) #

Methods

mFail :: Failure (ExceptT e m) -> ExceptT e m () #

MonadFailure m => MonadFailure (Conduit i o m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Associated Types

type Failure (Conduit i o m) #

Methods

mFail :: Failure (Conduit i o m) -> Conduit i o m () #

Monad state => MonadFailure (Builder collection mutCollection step state err) 
Instance details

Defined in Basement.MutableBuilder

Associated Types

type Failure (Builder collection mutCollection step state err) #

Methods

mFail :: Failure (Builder collection mutCollection step state err) -> Builder collection mutCollection step state err () #

class Monad m => MonadThrow m where Source #

Monad that can throw exception

Methods

throw :: Exception e => e -> m a Source #

Throw immediatity an exception. Only a MonadCatch monad will be able to catch the exception using catch

Instances

Instances details
MonadThrow IO Source # 
Instance details

Defined in Foundation.Monad.Exception

Methods

throw :: Exception e => e -> IO a Source #

MonadThrow m => MonadThrow (ResourceT m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

throw :: Exception e => e -> ResourceT m a Source #

(Functor m, MonadThrow m) => MonadThrow (StateT s m) Source # 
Instance details

Defined in Foundation.Monad.State

Methods

throw :: Exception e => e -> StateT s m a Source #

MonadThrow m => MonadThrow (ReaderT r m) Source # 
Instance details

Defined in Foundation.Monad.Reader

Methods

throw :: Exception e => e -> ReaderT r m a Source #

MonadThrow m => MonadThrow (Conduit i o m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

throw :: Exception e => e -> Conduit i o m a Source #

class MonadThrow m => MonadCatch m where Source #

Monad that can catch exception

Methods

catch :: Exception e => m a -> (e -> m a) -> m a Source #

Instances

Instances details
MonadCatch IO Source # 
Instance details

Defined in Foundation.Monad.Exception

Methods

catch :: Exception e => IO a -> (e -> IO a) -> IO a Source #

MonadCatch m => MonadCatch (ResourceT m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

catch :: Exception e => ResourceT m a -> (e -> ResourceT m a) -> ResourceT m a Source #

(Functor m, MonadCatch m) => MonadCatch (StateT s m) Source # 
Instance details

Defined in Foundation.Monad.State

Methods

catch :: Exception e => StateT s m a -> (e -> StateT s m a) -> StateT s m a Source #

MonadCatch m => MonadCatch (ReaderT r m) Source # 
Instance details

Defined in Foundation.Monad.Reader

Methods

catch :: Exception e => ReaderT r m a -> (e -> ReaderT r m a) -> ReaderT r m a Source #

MonadCatch m => MonadCatch (Conduit i o m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

catch :: Exception e => Conduit i o m a -> (e -> Conduit i o m a) -> Conduit i o m a Source #

class MonadCatch m => MonadBracket m where Source #

Monad that can ensure cleanup actions are performed even in the case of exceptions, both synchronous and asynchronous. This usually excludes continuation-based monads.

Methods

generalBracket Source #

Arguments

:: m a

acquire some resource

-> (a -> b -> m ignored1)

cleanup, no exception thrown

-> (a -> SomeException -> m ignored2)

cleanup, some exception thrown. The exception will be rethrown

-> (a -> m b)

inner action to perform with the resource

-> m b 

A generalized version of the standard bracket function which allows distinguishing different exit cases.

Instances

Instances details
MonadBracket IO Source # 
Instance details

Defined in Foundation.Monad.Exception

Methods

generalBracket :: IO a -> (a -> b -> IO ignored1) -> (a -> SomeException -> IO ignored2) -> (a -> IO b) -> IO b Source #

MonadBracket m => MonadBracket (ResourceT m) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

generalBracket :: ResourceT m a -> (a -> b -> ResourceT m ignored1) -> (a -> SomeException -> ResourceT m ignored2) -> (a -> ResourceT m b) -> ResourceT m b Source #

MonadBracket m => MonadBracket (ReaderT r m) Source # 
Instance details

Defined in Foundation.Monad.Reader

Methods

generalBracket :: ReaderT r m a -> (a -> b -> ReaderT r m ignored1) -> (a -> SomeException -> ReaderT r m ignored2) -> (a -> ReaderT r m b) -> ReaderT r m b Source #

class MonadTrans trans where Source #

Basic Transformer class

Methods

lift :: Monad m => m a -> trans m a Source #

Lift a computation from an inner monad to the current transformer monad

Instances

Instances details
MonadTrans ResourceT Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

lift :: Monad m => m a -> ResourceT m a Source #

MonadTrans (StateT s) Source # 
Instance details

Defined in Foundation.Monad.State

Methods

lift :: Monad m => m a -> StateT s m a Source #

MonadTrans (ReaderT r) Source # 
Instance details

Defined in Foundation.Monad.Reader

Methods

lift :: Monad m => m a -> ReaderT r m a Source #

MonadTrans (ExceptT e) Source # 
Instance details

Defined in Foundation.Monad.Except

Methods

lift :: Monad m => m a -> ExceptT e m a Source #

MonadTrans (Conduit i o) Source # 
Instance details

Defined in Foundation.Conduit.Internal

Methods

lift :: Monad m => m a -> Conduit i o m a Source #

newtype Identity a #

Constructors

Identity 

Fields

Instances

Instances details
Monad Identity 
Instance details

Defined in Data.Functor.Identity

Methods

(>>=) :: Identity a -> (a -> Identity b) -> Identity b #

(>>) :: Identity a -> Identity b -> Identity b #

return :: a -> Identity a #

Functor Identity 
Instance details

Defined in Data.Functor.Identity

Methods

fmap :: (a -> b) -> Identity a -> Identity b #

(<$) :: a -> Identity b -> Identity a #

MonadFix Identity 
Instance details

Defined in Data.Functor.Identity

Methods

mfix :: (a -> Identity a) -> Identity a

Applicative Identity 
Instance details

Defined in Data.Functor.Identity

Methods

pure :: a -> Identity a #

(<*>) :: Identity (a -> b) -> Identity a -> Identity b #

liftA2 :: (a -> b -> c) -> Identity a -> Identity b -> Identity c #

(*>) :: Identity a -> Identity b -> Identity b #

(<*) :: Identity a -> Identity b -> Identity a #

Foldable Identity 
Instance details

Defined in Data.Functor.Identity

Methods

fold :: Monoid m => Identity m -> m

foldMap :: Monoid m => (a -> m) -> Identity a -> m

foldMap' :: Monoid m => (a -> m) -> Identity a -> m

foldr :: (a -> b -> b) -> b -> Identity a -> b

foldr' :: (a -> b -> b) -> b -> Identity a -> b

foldl :: (b -> a -> b) -> b -> Identity a -> b

foldl' :: (b -> a -> b) -> b -> Identity a -> b

foldr1 :: (a -> a -> a) -> Identity a -> a

foldl1 :: (a -> a -> a) -> Identity a -> a

toList :: Identity a -> [a]

null :: Identity a -> Bool

length :: Identity a -> Int

elem :: Eq a => a -> Identity a -> Bool

maximum :: Ord a => Identity a -> a

minimum :: Ord a => Identity a -> a

sum :: Num a => Identity a -> a

product :: Num a => Identity a -> a

Traversable Identity 
Instance details

Defined in Data.Traversable

Methods

traverse :: Applicative f => (a -> f b) -> Identity a -> f (Identity b)

sequenceA :: Applicative f => Identity (f a) -> f (Identity a)

mapM :: Monad m => (a -> m b) -> Identity a -> m (Identity b)

sequence :: Monad m => Identity (m a) -> m (Identity a)

Bounded a => Bounded (Identity a) 
Instance details

Defined in Data.Functor.Identity

Enum a => Enum (Identity a) 
Instance details

Defined in Data.Functor.Identity

Eq a => Eq (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

(==) :: Identity a -> Identity a -> Bool #

(/=) :: Identity a -> Identity a -> Bool #

Floating a => Floating (Identity a) 
Instance details

Defined in Data.Functor.Identity

Fractional a => Fractional (Identity a) 
Instance details

Defined in Data.Functor.Identity

Integral a => Integral (Identity a) 
Instance details

Defined in Data.Functor.Identity

Data a => Data (Identity a) 
Instance details

Defined in Data.Data

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Identity a -> c (Identity a)

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Identity a)

toConstr :: Identity a -> Constr

dataTypeOf :: Identity a -> DataType

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (Identity a))

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Identity a))

gmapT :: (forall b. Data b => b -> b) -> Identity a -> Identity a

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Identity a -> r

gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Identity a -> r

gmapQ :: (forall d. Data d => d -> u) -> Identity a -> [u]

gmapQi :: Int -> (forall d. Data d => d -> u) -> Identity a -> u

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Identity a -> m (Identity a)

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Identity a -> m (Identity a)

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Identity a -> m (Identity a)

Num a => Num (Identity a) 
Instance details

Defined in Data.Functor.Identity

Ord a => Ord (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

compare :: Identity a -> Identity a -> Ordering #

(<) :: Identity a -> Identity a -> Bool #

(<=) :: Identity a -> Identity a -> Bool #

(>) :: Identity a -> Identity a -> Bool #

(>=) :: Identity a -> Identity a -> Bool #

max :: Identity a -> Identity a -> Identity a #

min :: Identity a -> Identity a -> Identity a #

Read a => Read (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

readsPrec :: Int -> ReadS (Identity a)

readList :: ReadS [Identity a]

readPrec :: ReadPrec (Identity a)

readListPrec :: ReadPrec [Identity a]

Real a => Real (Identity a) 
Instance details

Defined in Data.Functor.Identity

RealFloat a => RealFloat (Identity a) 
Instance details

Defined in Data.Functor.Identity

RealFrac a => RealFrac (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

properFraction :: Integral b => Identity a -> (b, Identity a)

truncate :: Integral b => Identity a -> b

round :: Integral b => Identity a -> b

ceiling :: Integral b => Identity a -> b

floor :: Integral b => Identity a -> b

Show a => Show (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

showsPrec :: Int -> Identity a -> ShowS

show :: Identity a -> String

showList :: [Identity a] -> ShowS

Ix a => Ix (Identity a) 
Instance details

Defined in Data.Functor.Identity

IsString a => IsString (Identity a) 
Instance details

Defined in Data.String

Methods

fromString :: String -> Identity a #

Generic (Identity a) 
Instance details

Defined in Data.Functor.Identity

Associated Types

type Rep (Identity a) :: Type -> Type

Methods

from :: Identity a -> Rep (Identity a) x

to :: Rep (Identity a) x -> Identity a

Semigroup a => Semigroup (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

(<>) :: Identity a -> Identity a -> Identity a #

sconcat :: NonEmpty (Identity a) -> Identity a

stimes :: Integral b => b -> Identity a -> Identity a

Monoid a => Monoid (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

mempty :: Identity a #

mappend :: Identity a -> Identity a -> Identity a #

mconcat :: [Identity a] -> Identity a #

Storable a => Storable (Identity a) 
Instance details

Defined in Data.Functor.Identity

Methods

sizeOf :: Identity a -> Int

alignment :: Identity a -> Int

peekElemOff :: Ptr (Identity a) -> Int -> IO (Identity a)

pokeElemOff :: Ptr (Identity a) -> Int -> Identity a -> IO ()

peekByteOff :: Ptr b -> Int -> IO (Identity a)

pokeByteOff :: Ptr b -> Int -> Identity a -> IO ()

peek :: Ptr (Identity a) -> IO (Identity a)

poke :: Ptr (Identity a) -> Identity a -> IO ()

Bits a => Bits (Identity a) 
Instance details

Defined in Data.Functor.Identity

FiniteBits a => FiniteBits (Identity a) 
Instance details

Defined in Data.Functor.Identity

Generic1 Identity 
Instance details

Defined in Data.Functor.Identity

Associated Types

type Rep1 Identity :: k -> Type

Methods

from1 :: forall (a :: k). Identity a -> Rep1 Identity a

to1 :: forall (a :: k). Rep1 Identity a -> Identity a

type Rep (Identity a) 
Instance details

Defined in Data.Functor.Identity

type Rep (Identity a) = D1 ('MetaData "Identity" "Data.Functor.Identity" "base" 'True) (C1 ('MetaCons "Identity" 'PrefixI 'True) (S1 ('MetaSel ('Just "runIdentity") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 a)))
type Rep1 Identity 
Instance details

Defined in Data.Functor.Identity

type Rep1 Identity = D1 ('MetaData "Identity" "Data.Functor.Identity" "base" 'True) (C1 ('MetaCons "Identity" 'PrefixI 'True) (S1 ('MetaSel ('Just "runIdentity") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) Par1))

replicateM :: Applicative m => CountOf a -> m a -> m [a] Source #

replicateM n act performs the action n times, gathering the results.