1
2// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
3// Hinnant & John Maddock 2000.
4// Use, modification and distribution are subject to the Boost Software License,
5// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt).
7//
8// See http://www.boost.org/libs/type_traits for most recent version including documentation.
9
10
11#ifndef BOOST_TT_ADD_CV_HPP_INCLUDED
12#define BOOST_TT_ADD_CV_HPP_INCLUDED
13
14#include <boost/config.hpp>
15
16// should be the last #include
17#include <boost/type_traits/detail/type_trait_def.hpp>
18
19namespace boost {
20
21// * convert a type T to a const volatile type - add_cv<T>
22// this is not required since the result is always
23// the same as "T const volatile", but it does suppress warnings
24// from some compilers:
25
26#if defined(BOOST_MSVC)
27// This bogus warning will appear when add_volatile is applied to a
28// const volatile reference because we can't detect const volatile
29// references with MSVC6.
30# pragma warning(push)
31# pragma warning(disable:4181) // warning C4181: qualifier applied to reference type ignored
32#endif
33
34BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_cv,T,T const volatile)
35
36#if defined(BOOST_MSVC)
37# pragma warning(pop)
38#endif
39
40BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,add_cv,T&,T&)
41
42} // namespace boost
43
44#include <boost/type_traits/detail/type_trait_undef.hpp>
45
46#endif // BOOST_TT_ADD_CV_HPP_INCLUDED
47