{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies,
  MultiParamTypeClasses, OverlappingInstances, IncoherentInstances
  #-}
module HROOT.Hist.THStack.Cast where
import Foreign.Ptr
import FFICXX.Runtime.Cast
import System.IO.Unsafe
import HROOT.Hist.THStack.RawType
import HROOT.Hist.THStack.Interface

instance (ITHStack a, FPtr a) => Castable (a) (Ptr RawTHStack)
         where
        cast :: forall r. a -> (Ptr RawTHStack -> IO r) -> IO r
cast a
x Ptr RawTHStack -> IO r
f = Ptr RawTHStack -> IO r
f (Ptr (Raw a) -> Ptr RawTHStack
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 RawTHStack -> (a -> IO r) -> IO r
uncast Ptr RawTHStack
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 RawTHStack -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr RawTHStack
x))

instance () => Castable (THStack) (Ptr RawTHStack) where
        cast :: forall r. THStack -> (Ptr RawTHStack -> IO r) -> IO r
cast THStack
x Ptr RawTHStack -> IO r
f = Ptr RawTHStack -> IO r
f (Ptr RawTHStack -> Ptr RawTHStack
forall a b. Ptr a -> Ptr b
castPtr (THStack -> Ptr (Raw THStack)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr THStack
x))
        uncast :: forall r. Ptr RawTHStack -> (THStack -> IO r) -> IO r
uncast Ptr RawTHStack
x THStack -> IO r
f = THStack -> IO r
f (Ptr (Raw THStack) -> THStack
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj (Ptr RawTHStack -> Ptr RawTHStack
forall a b. Ptr a -> Ptr b
castPtr Ptr RawTHStack
x))