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//  (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
//  Hinnant & John Maddock 2000.  
//  Use, modification and distribution are subject to the Boost Software License,
//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
//  See for most recent version including documentation.


#include <boost/type_traits/is_volatile.hpp>
#include <boost/type_traits/detail/cv_traits_impl.hpp>
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>

#include <cstddef>

// should be the last #include
#include <boost/type_traits/detail/type_trait_def.hpp>

namespace boost {

namespace detail {

template <typename T, bool is_vol>
struct remove_const_helper
    typedef T type;

template <typename T>
struct remove_const_helper<T, true>
    typedef T volatile type;

template <typename T>
struct remove_const_impl
    typedef typename remove_const_helper<
       typename cv_traits_imp<BOOST_TT_AUX_CV_TRAITS_IMPL_PARAM(T)>::unqualified_type
        , ::boost::is_volatile<T>::value
        >::type type;

// We can't filter out rvalue_references at the same level as
// references or we get ambiguities from msvc:
template <typename T>
struct remove_const_impl<T&&>
    typedef T&& type;

} // namespace detail

// * convert a type T to non-const type - remove_const<T>

BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_const,T,typename boost::detail::remove_const_impl<T>::type)
BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_const,T&,T&)
BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_const,T const[N],T type[N])
BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_const,T const volatile[N],T volatile type[N])

} // namespace boost

#include <boost/type_traits/detail/type_trait_undef.hpp>