//  (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

//  http://www.boost.org/LICENSE_1_0.txt).

//

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

#ifndef BOOST_TT_ADD_CONST_HPP_INCLUDED

#define BOOST_TT_ADD_CONST_HPP_INCLUDED

#include <boost/config.hpp>

// should be the last #include

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

namespace boost {

// * convert a type T to const type - add_const<T>

// this is not required since the result is always

// the same as "T const", but it does suppress warnings

// from some compilers:

#if defined(BOOST_MSVC)

// This bogus warning will appear when add_const is applied to a

// const volatile reference because we can't detect const volatile

// references with MSVC6.

#   pragma warning(push)

#   pragma warning(disable:4181) // warning C4181: qualifier applied to reference type ignored

#endif 

BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_const,T,T const)

#if defined(BOOST_MSVC)

#   pragma warning(pop)

#endif 

#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,add_const,T&,T&)

#endif

} // namespace boost

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

#endif // BOOST_TT_ADD_CONST_HPP_INCLUDED