stdcxx-0.7.0.0: src/STD/CppString/Interface.hs

{-# LANGUAGE EmptyDataDecls, ExistentialQuantification,
  FlexibleContexts, FlexibleInstances, ForeignFunctionInterface,
  MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies,
  TypeSynonymInstances #-}
module STD.CppString.Interface where
import Data.Word
import Data.Int
import Foreign.C
import Foreign.Ptr
import FFICXX.Runtime.Cast
import STD.CppString.RawType
import STD.Deletable.Interface

class (IDeletable a) => ICppString a where

upcastCppString ::
                forall a . (FPtr a, ICppString a) => a -> CppString
upcastCppString h
  = let fh = get_fptr h
        fh2 :: Ptr RawCppString = castPtr fh
      in cast_fptr_to_obj fh2

downcastCppString ::
                  forall a . (FPtr a, ICppString a) => CppString -> a
downcastCppString h
  = let fh = get_fptr h
        fh2 = castPtr fh
      in cast_fptr_to_obj fh2