blob: 2f3dc37adc2b6b101b04da2b8c962dc7572580d3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#ifndef BOOST_TYPE_TRAITS_COPY_CV_HPP_INCLUDED
#define BOOST_TYPE_TRAITS_COPY_CV_HPP_INCLUDED
//
// Copyright 2015 Peter Dimov
//
// Distributed under 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
//
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/is_volatile.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/add_volatile.hpp>
#include <boost/type_traits/conditional.hpp>
namespace boost
{
template<class T, class U> struct copy_cv
{
private:
typedef typename boost::conditional<boost::is_const<U>::value, typename boost::add_const<T>::type, T>::type CT;
public:
typedef typename boost::conditional<boost::is_volatile<U>::value, typename boost::add_volatile<CT>::type, CT>::type type;
};
#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
template <class T, class U> using copy_cv_t = typename copy_cv<T, U>::type;
#endif
} // namespace boost
#endif // #ifndef BOOST_TYPE_TRAITS_COPY_CV_HPP_INCLUDED
|
