HROOT-tree-0.9.0.1: src/HROOT/Tree/TChain/Cast.hs

{-# 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 x f = f (castPtr (get_fptr x))
        uncast x f = f (cast_fptr_to_obj (castPtr x))

instance Castable TChain (Ptr RawTChain) where
        cast x f = f (castPtr (get_fptr x))
        uncast x f = f (cast_fptr_to_obj (castPtr x))