/extlibs/Boost/include/boost/type_traits/add_cv.hpp
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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 40#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION 41BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,add_cv,T&,T&) 42#endif 43 44} // namespace boost 45 46#include <boost/type_traits/detail/type_trait_undef.hpp> 47 48#endif // BOOST_TT_ADD_CV_HPP_INCLUDED