boost/type_traits/detail/cv_traits_impl.hpp
// (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_DETAIL_CV_TRAITS_IMPL_HPP_INCLUDED
#define BOOST_TT_DETAIL_CV_TRAITS_IMPL_HPP_INCLUDED
#include "boost/config.hpp"
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
namespace boost {
namespace detail {
// implementation helper:
template <typename T> struct cv_traits_imp {};
template <typename T>
struct cv_traits_imp<T*>
{
BOOST_STATIC_CONSTANT(bool, is_const = false);
BOOST_STATIC_CONSTANT(bool, is_volatile = false);
typedef T unqualified_type;
};
template <typename T>
struct cv_traits_imp<const T*>
{
BOOST_STATIC_CONSTANT(bool, is_const = true);
BOOST_STATIC_CONSTANT(bool, is_volatile = false);
typedef T unqualified_type;
};
template <typename T>
struct cv_traits_imp<volatile T*>
{
BOOST_STATIC_CONSTANT(bool, is_const = false);
BOOST_STATIC_CONSTANT(bool, is_volatile = true);
typedef T unqualified_type;
};
template <typename T>
struct cv_traits_imp<const volatile T*>
{
BOOST_STATIC_CONSTANT(bool, is_const = true);
BOOST_STATIC_CONSTANT(bool, is_volatile = true);
typedef T unqualified_type;
};
} // namespace detail
} // namespace boost
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
#endif // BOOST_TT_DETAIL_CV_TRAITS_IMPL_HPP_INCLUDED