{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, 
             FlexibleInstances, TypeSynonymInstances, 
             EmptyDataDecls, ExistentialQuantification, ScopedTypeVariables #-}

-- module HROOT.Class.Interface where

module HROOT.Class.TArrayL.Interface where


import Data.Word
import Foreign.ForeignPtr
import HROOT.TypeCast

import HROOT.Class.TArrayL.RawType

import HROOT.Class.TArray.Interface


class (ITArray a) => ITArrayL a where

instance Existable TArrayL where
  data Exist TArrayL = forall a. (FPtr a, ITArrayL a) => ETArrayL a

upcastTArrayL :: (FPtr a, ITArrayL a) => a -> TArrayL
upcastTArrayL h = let fh = get_fptr h
                      fh2 :: ForeignPtr RawTArrayL = castForeignPtr fh
                  in cast_fptr_to_obj fh2