Language.Syntactic.Frontend.Monad

Monadic constructs

This module is based on the paper Generic Monadic Constructs for Embedded Languages (Persson et al., IFL 2011 http://www.cse.chalmers.se/~emax/documents/persson2011generic.pdf).

Documentation

newtype Mon dom m a where

User interface to embedded monadic programs

Constructors

Mon :: {..} -> Mon dom m a

Fields

• unMon :: forall r. (Monad m, Typeable r, InjectC (MONAD m) dom (m r)) => Cont (ASTF dom (m r)) a

Instances

Monad m => Monad (Mon dom m)

Defined in Language.Syntactic.Frontend.Monad

Methods

(>>=) :: Mon dom m a -> (a -> Mon dom m b) -> Mon dom m b

(>>) :: Mon dom m a -> Mon dom m b -> Mon dom m b

return :: a -> Mon dom m a

fail :: String -> Mon dom m a

Functor (Mon dom m)

Defined in Language.Syntactic.Frontend.Monad

Methods

fmap :: (a -> b) -> Mon dom m a -> Mon dom m b

(<$) :: a -> Mon dom m b -> Mon dom m a

(Monad m, Applicative m) => Applicative (Mon dom m)

Defined in Language.Syntactic.Frontend.Monad

Methods

pure :: a -> Mon dom m a

(<*>) :: Mon dom m (a -> b) -> Mon dom m a -> Mon dom m b

liftA2 :: (a -> b -> c) -> Mon dom m a -> Mon dom m b -> Mon dom m c

(*>) :: Mon dom m a -> Mon dom m b -> Mon dom m b

(<*) :: Mon dom m a -> Mon dom m b -> Mon dom m a

(Syntactic a, Domain a ~ dom, IsHODomain dom (Typeable :: * -> Constraint) pVar, InjectC (MONAD m) dom (m (Internal a)), Monad m, Typeable m, Typeable (Internal a), pVar (Internal a)) => Syntactic (Mon dom m a)

Defined in Language.Syntactic.Frontend.Monad

Associated Types

type Domain (Mon dom m a) :: * -> *

type Internal (Mon dom m a) :: *

Methods

desugar :: Mon dom m a -> ASTF (Domain (Mon dom m a)) (Internal (Mon dom m a))

sugar :: ASTF (Domain (Mon dom m a)) (Internal (Mon dom m a)) -> Mon dom m a

type Domain (Mon dom m a)

Defined in Language.Syntactic.Frontend.Monad

type Domain (Mon dom m a) = dom

type Internal (Mon dom m a)

Defined in Language.Syntactic.Frontend.Monad

type Internal (Mon dom m a) = m (Internal a)

desugarMonad :: (IsHODomain dom Typeable pVar, InjectC (MONAD m) dom (m a), Monad m, Typeable m, Typeable a) => Mon dom m (ASTF dom a) -> ASTF dom (m a)

One-layer desugaring of monadic actions

sugarMonad :: (IsHODomain dom Typeable pVar, Monad m, Typeable m, Typeable a, pVar a) => ASTF dom (m a) -> Mon dom m (ASTF dom a)

One-layer sugaring of monadic actions