{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module OGDF.RankingModule.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import OGDF.RankingModule.RawType import STD.Deletable.Interface class (IDeletable a) => IRankingModule a where upcastRankingModule :: forall a . (FPtr a, IRankingModule a) => a -> RankingModule upcastRankingModule :: forall a. (FPtr a, IRankingModule a) => a -> RankingModule upcastRankingModule 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 RawRankingModule fh2 :: Ptr RawRankingModule = Ptr (Raw a) -> Ptr RawRankingModule forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw RankingModule) -> RankingModule forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw RankingModule) Ptr RawRankingModule fh2 downcastRankingModule :: forall a . (FPtr a, IRankingModule a) => RankingModule -> a downcastRankingModule :: forall a. (FPtr a, IRankingModule a) => RankingModule -> a downcastRankingModule RankingModule h = let fh :: Ptr (Raw RankingModule) fh = RankingModule -> Ptr (Raw RankingModule) forall a. FPtr a => a -> Ptr (Raw a) get_fptr RankingModule h fh2 :: Ptr (Raw a) fh2 = Ptr RawRankingModule -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw RankingModule) Ptr RawRankingModule fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2