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// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard

// Hinnant & John Maddock 2000.  Permission to copy, use, modify,

// sell and distribute this software is granted provided this

// copyright notice appears in all copies. This software is provided

// "as is" without express or implied warranty, and with no claim as

// to its suitability for any purpose.

//

// See http://www.boost.org for most recent version including documentation.

 

#ifndef BOOST_TT_REMOVE_CONST_HPP_INCLUDED

#define BOOST_TT_REMOVE_CONST_HPP_INCLUDED

 

#include "boost/type_traits/is_volatile.hpp"

#include "boost/type_traits/broken_compiler_spec.hpp"

#include "boost/type_traits/detail/cv_traits_impl.hpp"

#include "boost/config.hpp"

 

#include <cstddef>

 

// should be the last #include

#include "boost/type_traits/detail/type_trait_def.hpp"

 

namespace boost {

 

#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

 

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<T*>::unqualified_type

        , ::boost::is_volatile<T>::value

        >::type type;

};

 

} // namespace detail

 

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

 

BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_const,T,typename 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])

 

#else

 

BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_const,T,typename detail::remove_const_impl<T>::type)

 

#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

 

} // namespace boost

 

#include "boost/type_traits/detail/type_trait_undef.hpp"

 

#endif // BOOST_TT_REMOVE_CONST_HPP_INCLUDED