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

-- module HROOT.Class.Interface where

module HROOT.Class.TArrayD.Interface where


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

import HROOT.Class.TArrayD.RawType

import HROOT.Class.TArray.Interface


class (ITArray a) => ITArrayD a where

instance Existable TArrayD where
  data Exist TArrayD = forall a. (FPtr a, ITArrayD a) => ETArrayD a

upcastTArrayD :: (FPtr a, ITArrayD a) => a -> TArrayD
upcastTArrayD h = let fh = get_fptr h
                      fh2 :: ForeignPtr RawTArrayD = castForeignPtr fh
                  in cast_fptr_to_obj fh2