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

Functor (Mon dom m)

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

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

type Domain (Mon dom m a) = dom

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