{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module HROOT.Core.TROOT.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import HROOT.Core.TROOT.RawType import HROOT.Core.TDirectory.Interface class (ITDirectory a) => ITROOT a where upcastTROOT :: forall a . (FPtr a, ITROOT a) => a -> TROOT upcastTROOT :: forall a. (FPtr a, ITROOT a) => a -> TROOT upcastTROOT 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 RawTROOT fh2 :: Ptr RawTROOT = Ptr (Raw a) -> Ptr RawTROOT forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw TROOT) -> TROOT forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw TROOT) Ptr RawTROOT fh2 downcastTROOT :: forall a . (FPtr a, ITROOT a) => TROOT -> a downcastTROOT :: forall a. (FPtr a, ITROOT a) => TROOT -> a downcastTROOT TROOT h = let fh :: Ptr (Raw TROOT) fh = TROOT -> Ptr (Raw TROOT) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TROOT h fh2 :: Ptr (Raw a) fh2 = Ptr RawTROOT -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw TROOT) Ptr RawTROOT fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2