{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies, MultiParamTypeClasses, OverlappingInstances, IncoherentInstances #-} module HROOT.Hist.TH1I.Cast where import Foreign.Ptr import FFICXX.Runtime.Cast import System.IO.Unsafe import HROOT.Hist.TH1I.RawType import HROOT.Hist.TH1I.Interface instance (ITH1I a, FPtr a) => Castable (a) (Ptr RawTH1I) where cast x f = f (castPtr (get_fptr x)) uncast x f = f (cast_fptr_to_obj (castPtr x)) instance () => Castable (TH1I) (Ptr RawTH1I) where cast x f = f (castPtr (get_fptr x)) uncast x f = f (cast_fptr_to_obj (castPtr x))