{-# LANGUAGE ConstraintKinds #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE ExplicitNamespaces #-}
{-# LANGUAGE FunctionalDependencies #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE StaticPointers #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE UndecidableInstances #-}
#if __GLASGOW_HASKELL__ >= 800
{-# LANGUAGE UndecidableSuperClasses #-}
#endif
module Control.Distributed.Closure
( Serializable
, Closure
, closure
, unclosure
, cpure
, cap
, cmap
, cduplicate
, WrappedArrowClosure(..)
, type (/->)
, Dict(..)
, Static(..)
) where
import Control.Distributed.Closure.Internal
import Data.Binary (Binary)
import Data.Constraint (Dict(..))
import Data.Typeable (Typeable)
class c => Static c where
closureDict :: Closure (Dict c)
instance (Static c1, Static c2, Typeable c1, Typeable c2, (c1, c2)) => Static (c1, c2) where
closureDict = static f `cap` closureDict `cap` closureDict
where
f :: Dict c1 -> Dict c2 -> Dict (c1, c2)
f Dict Dict = Dict
instance (Static c1, Static c2, Static c3, Typeable c1, Typeable c2, Typeable c3, (c1, c2, c3)) => Static (c1, c2, c3) where
closureDict = static f `cap` closureDict `cap` closureDict `cap` closureDict
where
f :: Dict c1 -> Dict c2 -> Dict c3 -> Dict (c1, c2, c3)
f Dict Dict Dict = Dict
instance (Static c1, Static c2, Static c3, Static c4, Typeable c1, Typeable c2, Typeable c3, Typeable c4, (c1, c2, c3, c4)) => Static (c1, c2, c3, c4) where
closureDict = static f `cap` closureDict `cap` closureDict `cap` closureDict `cap` closureDict
where
f :: Dict c1 -> Dict c2 -> Dict c3 -> Dict c4 -> Dict (c1, c2, c3, c4)
f Dict Dict Dict Dict = Dict
instance (Static c1, Static c2, Static c3, Static c4, Static c5, Typeable c1, Typeable c2, Typeable c3, Typeable c4, Typeable c5, (c1, c2, c3, c4, c5)) => Static (c1, c2, c3, c4, c5) where
closureDict = static f `cap` closureDict `cap` closureDict `cap` closureDict `cap` closureDict `cap` closureDict
where
f :: Dict c1 -> Dict c2 -> Dict c3 -> Dict c4 -> Dict c5 -> Dict (c1, c2, c3, c4, c5)
f Dict Dict Dict Dict Dict = Dict
instance (Static c1, Static c2, Static c3, Static c4, Static c5, Static c6, Typeable c1, Typeable c2, Typeable c3, Typeable c4, Typeable c5, Typeable c6, (c1, c2, c3, c4, c5, c6)) => Static (c1, c2, c3, c4, c5, c6) where
closureDict = static f `cap` closureDict `cap` closureDict `cap` closureDict `cap` closureDict `cap` closureDict `cap` closureDict
where
f :: Dict c1 -> Dict c2 -> Dict c3 -> Dict c4 -> Dict c5 -> Dict c6 -> Dict (c1, c2, c3, c4, c5, c6)
f Dict Dict Dict Dict Dict Dict = Dict
newtype WrappedArrowClosure a b = WrapArrowClosure
{ unwrapClosureArrow :: Closure (a -> b)
} deriving (Binary)
infixr 0 /->
type (/->) = WrappedArrowClosure