#ifndef BOOST_TYPE_TRAITS_COPY_CV_HPP_INCLUDED
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#define BOOST_TYPE_TRAITS_COPY_CV_HPP_INCLUDED
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//
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// Copyright 2015 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/type_traits/is_const.hpp>
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#include <boost/type_traits/is_volatile.hpp>
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#include <boost/type_traits/add_const.hpp>
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#include <boost/type_traits/add_volatile.hpp>
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#include <boost/type_traits/conditional.hpp>
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namespace boost
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{
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template<class T, class U> struct copy_cv
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{
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private:
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typedef typename boost::conditional<boost::is_const<U>::value, typename boost::add_const<T>::type, T>::type CT;
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public:
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typedef typename boost::conditional<boost::is_volatile<U>::value, typename boost::add_volatile<CT>::type, CT>::type type;
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};
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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template <class T, class U> using copy_cv_t = typename copy_cv<T, U>::type;
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#endif
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} // namespace boost
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#endif // #ifndef BOOST_TYPE_TRAITS_COPY_CV_HPP_INCLUDED
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