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