{-# LANGUAGE EmptyDataDecls, ExistentialQuantification,
  FlexibleContexts, FlexibleInstances, ForeignFunctionInterface,
  MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies,
  TypeSynonymInstances #-}
module OGDF.GraphIO.Interface where
import Data.Word
import Data.Int
import Foreign.C
import Foreign.Ptr
import FFICXX.Runtime.Cast
import OGDF.GraphIO.RawType
import STD.Deletable.Interface

class (IDeletable a) => IGraphIO a where

upcastGraphIO :: forall a . (FPtr a, IGraphIO a) => a -> GraphIO
upcastGraphIO :: forall a. (FPtr a, IGraphIO a) => a -> GraphIO
upcastGraphIO a
h
  = let fh :: Ptr (Raw a)
fh = a -> Ptr (Raw a)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr a
h
        Ptr RawGraphIO
fh2 :: Ptr RawGraphIO = Ptr (Raw a) -> Ptr RawGraphIO
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw a)
fh
      in Ptr (Raw GraphIO) -> GraphIO
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw GraphIO)
Ptr RawGraphIO
fh2

downcastGraphIO :: forall a . (FPtr a, IGraphIO a) => GraphIO -> a
downcastGraphIO :: forall a. (FPtr a, IGraphIO a) => GraphIO -> a
downcastGraphIO GraphIO
h
  = let fh :: Ptr (Raw GraphIO)
fh = GraphIO -> Ptr (Raw GraphIO)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr GraphIO
h
        fh2 :: Ptr (Raw a)
fh2 = Ptr RawGraphIO -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw GraphIO)
Ptr RawGraphIO
fh
      in Ptr (Raw a) -> a
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw a)
fh2