{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies, MultiParamTypeClasses, OverlappingInstances, IncoherentInstances #-} module HROOT.Tree.TChain.Cast where import Foreign.Ptr import FFICXX.Runtime.Cast import System.IO.Unsafe import HROOT.Tree.TChain.RawType import HROOT.Tree.TChain.Interface instance (ITChain a, FPtr a) => Castable (a) (Ptr RawTChain) where cast :: forall r. a -> (Ptr RawTChain -> IO r) -> IO r cast a x Ptr RawTChain -> IO r f = Ptr RawTChain -> IO r f (Ptr (Raw a) -> Ptr RawTChain forall a b. Ptr a -> Ptr b castPtr (a -> Ptr (Raw a) forall a. FPtr a => a -> Ptr (Raw a) get_fptr a x)) uncast :: forall r. Ptr RawTChain -> (a -> IO r) -> IO r uncast Ptr RawTChain x a -> IO r f = a -> IO r f (Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawTChain -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr RawTChain x)) instance () => Castable (TChain) (Ptr RawTChain) where cast :: forall r. TChain -> (Ptr RawTChain -> IO r) -> IO r cast TChain x Ptr RawTChain -> IO r f = Ptr RawTChain -> IO r f (Ptr RawTChain -> Ptr RawTChain forall a b. Ptr a -> Ptr b castPtr (TChain -> Ptr (Raw TChain) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TChain x)) uncast :: forall r. Ptr RawTChain -> (TChain -> IO r) -> IO r uncast Ptr RawTChain x TChain -> IO r f = TChain -> IO r f (Ptr (Raw TChain) -> TChain forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawTChain -> Ptr RawTChain forall a b. Ptr a -> Ptr b castPtr Ptr RawTChain x))