{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies, MultiParamTypeClasses, OverlappingInstances, IncoherentInstances #-} module HROOT.Hist.TH2Poly.Cast where import Foreign.Ptr import FFICXX.Runtime.Cast import System.IO.Unsafe import HROOT.Hist.TH2Poly.RawType import HROOT.Hist.TH2Poly.Interface instance (ITH2Poly a, FPtr a) => Castable (a) (Ptr RawTH2Poly) where cast :: forall r. a -> (Ptr RawTH2Poly -> IO r) -> IO r cast a x Ptr RawTH2Poly -> IO r f = Ptr RawTH2Poly -> IO r f (Ptr (Raw a) -> Ptr RawTH2Poly 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 RawTH2Poly -> (a -> IO r) -> IO r uncast Ptr RawTH2Poly 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 RawTH2Poly -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr RawTH2Poly x)) instance () => Castable (TH2Poly) (Ptr RawTH2Poly) where cast :: forall r. TH2Poly -> (Ptr RawTH2Poly -> IO r) -> IO r cast TH2Poly x Ptr RawTH2Poly -> IO r f = Ptr RawTH2Poly -> IO r f (Ptr RawTH2Poly -> Ptr RawTH2Poly forall a b. Ptr a -> Ptr b castPtr (TH2Poly -> Ptr (Raw TH2Poly) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TH2Poly x)) uncast :: forall r. Ptr RawTH2Poly -> (TH2Poly -> IO r) -> IO r uncast Ptr RawTH2Poly x TH2Poly -> IO r f = TH2Poly -> IO r f (Ptr (Raw TH2Poly) -> TH2Poly forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj (Ptr RawTH2Poly -> Ptr RawTH2Poly forall a b. Ptr a -> Ptr b castPtr Ptr RawTH2Poly x))