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

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

data RawTArrow

newtype TArrow = TArrow (Ptr RawTArrow)
               deriving (Eq, Ord, Show)

instance FPtr TArrow where
        type Raw TArrow = RawTArrow
        get_fptr (TArrow ptr) = ptr
        cast_fptr_to_obj = TArrow