module HROOT.Core.TGlobal.Cast where
import Foreign.Ptr
import Foreign.ForeignPtr (castForeignPtr, newForeignPtr_)
import Foreign.ForeignPtr.Unsafe
import FFICXX.Runtime.Cast
import System.IO.Unsafe
import HROOT.Core.TGlobal.RawType
import HROOT.Core.TGlobal.Interface
instance (ITGlobal a, FPtr a) => Castable a (Ptr RawTGlobal) where
cast = unsafeForeignPtrToPtr . castForeignPtr . get_fptr
uncast = cast_fptr_to_obj . castForeignPtr . unsafePerformIO . newForeignPtr_
instance Castable TGlobal (Ptr RawTGlobal) where
cast = unsafeForeignPtrToPtr . castForeignPtr . get_fptr
uncast = cast_fptr_to_obj . castForeignPtr . unsafePerformIO . newForeignPtr_