{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module HROOT.Tree.TChain.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import HROOT.Tree.TChain.RawType import HROOT.Tree.TTree.Interface class (ITTree a) => ITChain a where addChain :: (ITChain c0, FPtr c0) => a -> c0 -> IO CInt addChain1 :: (Castable c0 CString) => a -> c0 -> CLong -> IO CInt upcastTChain :: forall a . (FPtr a, ITChain a) => a -> TChain upcastTChain :: forall a. (FPtr a, ITChain a) => a -> TChain upcastTChain 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 RawTChain fh2 :: Ptr RawTChain = Ptr (Raw a) -> Ptr RawTChain forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw TChain) -> TChain forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw TChain) Ptr RawTChain fh2 downcastTChain :: forall a . (FPtr a, ITChain a) => TChain -> a downcastTChain :: forall a. (FPtr a, ITChain a) => TChain -> a downcastTChain TChain h = let fh :: Ptr (Raw TChain) fh = TChain -> Ptr (Raw TChain) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TChain h fh2 :: Ptr (Raw a) fh2 = Ptr RawTChain -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw TChain) Ptr RawTChain fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2