{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module HROOT.Core.TKey.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import HROOT.Core.TKey.RawType import HROOT.Core.TNamed.Interface class (ITNamed a) => ITKey a where upcastTKey :: forall a . (FPtr a, ITKey a) => a -> TKey upcastTKey :: forall a. (FPtr a, ITKey a) => a -> TKey upcastTKey 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 RawTKey fh2 :: Ptr RawTKey = Ptr (Raw a) -> Ptr RawTKey forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw TKey) -> TKey forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw TKey) Ptr RawTKey fh2 downcastTKey :: forall a . (FPtr a, ITKey a) => TKey -> a downcastTKey :: forall a. (FPtr a, ITKey a) => TKey -> a downcastTKey TKey h = let fh :: Ptr (Raw TKey) fh = TKey -> Ptr (Raw TKey) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TKey h fh2 :: Ptr (Raw a) fh2 = Ptr RawTKey -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw TKey) Ptr RawTKey fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2