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

-- module HROOT.Class.Interface where

module HROOT.Class.TArrayF.Interface where


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

import HROOT.Class.TArrayF.RawType

import HROOT.Class.TArray.Interface


class (ITArray a) => ITArrayF a where

instance Existable TArrayF where
  data Exist TArrayF = forall a. (FPtr a, ITArrayF a) => ETArrayF a

upcastTArrayF :: (FPtr a, ITArrayF a) => a -> TArrayF
upcastTArrayF h = let fh = get_fptr h
                      fh2 :: ForeignPtr RawTArrayF = castForeignPtr fh
                  in cast_fptr_to_obj fh2