HROOT-graf-0.9: src/HROOT/Graf/TCanvas/RawType.hs

{-# LANGUAGE ForeignFunctionInterface, TypeFamilies,
  MultiParamTypeClasses, FlexibleInstances, TypeSynonymInstances,
  EmptyDataDecls, ExistentialQuantification, ScopedTypeVariables #-}
module HROOT.Graf.TCanvas.RawType where
import Foreign.Ptr
import FFICXX.Runtime.Cast

data RawTCanvas

newtype TCanvas = TCanvas (Ptr RawTCanvas)
                deriving (Eq, Ord, Show)

instance FPtr TCanvas where
        type Raw TCanvas = RawTCanvas
        get_fptr (TCanvas ptr) = ptr
        cast_fptr_to_obj = TCanvas