OGDF-1.0.0.0: src/OGDF/OptimalRanking/Interface.hs

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

class (IDeletable a, IRankingModule a) => IOptimalRanking a where

upcastOptimalRanking ::
                     forall a . (FPtr a, IOptimalRanking a) => a -> OptimalRanking
upcastOptimalRanking h
  = let fh = get_fptr h
        fh2 :: Ptr RawOptimalRanking = castPtr fh
      in cast_fptr_to_obj fh2

downcastOptimalRanking ::
                       forall a . (FPtr a, IOptimalRanking a) => OptimalRanking -> a
downcastOptimalRanking h
  = let fh = get_fptr h
        fh2 = castPtr fh
      in cast_fptr_to_obj fh2