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

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

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