{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module HROOT.IO.TFile.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import HROOT.IO.TFile.RawType import HROOT.IO.TDirectoryFile.Interface class (ITDirectoryFile a) => ITFile a where upcastTFile :: forall a . (FPtr a, ITFile a) => a -> TFile upcastTFile :: forall a. (FPtr a, ITFile a) => a -> TFile upcastTFile 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 RawTFile fh2 :: Ptr RawTFile = Ptr (Raw a) -> Ptr RawTFile forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw TFile) -> TFile forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw TFile) Ptr RawTFile fh2 downcastTFile :: forall a . (FPtr a, ITFile a) => TFile -> a downcastTFile :: forall a. (FPtr a, ITFile a) => TFile -> a downcastTFile TFile h = let fh :: Ptr (Raw TFile) fh = TFile -> Ptr (Raw TFile) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TFile h fh2 :: Ptr (Raw a) fh2 = Ptr RawTFile -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw TFile) Ptr RawTFile fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2