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1 | // Copyright David Abrahams 2002. |
2 | // Distributed under the Boost Software License, Version 1.0. (See | |
3 | // accompanying file LICENSE_1_0.txt or copy at | |
4 | // http://www.boost.org/LICENSE_1_0.txt) | |
5 | #ifndef CV_CATEGORY_DWA200222_HPP | |
6 | # define CV_CATEGORY_DWA200222_HPP | |
7 | # include <boost/type_traits/cv_traits.hpp> | |
8 | ||
9 | namespace boost { namespace python { namespace detail { | |
10 | ||
11 | template <bool is_const_, bool is_volatile_> | |
12 | struct cv_tag | |
13 | { | |
14 | BOOST_STATIC_CONSTANT(bool, is_const = is_const_); | |
15 | BOOST_STATIC_CONSTANT(bool, is_volatile = is_volatile_); | |
16 | }; | |
17 | ||
18 | typedef cv_tag<false,false> cv_unqualified; | |
19 | typedef cv_tag<true,false> const_; | |
20 | typedef cv_tag<false,true> volatile_; | |
21 | typedef cv_tag<true,true> const_volatile_; | |
22 | ||
23 | template <class T> | |
24 | struct cv_category | |
25 | { | |
26 | // BOOST_STATIC_CONSTANT(bool, c = is_const<T>::value); | |
27 | // BOOST_STATIC_CONSTANT(bool, v = is_volatile<T>::value); | |
28 | typedef cv_tag< | |
29 | ::boost::is_const<T>::value | |
30 | , ::boost::is_volatile<T>::value | |
31 | > type; | |
32 | }; | |
33 | ||
34 | }}} // namespace boost::python::detail | |
35 | ||
36 | #endif // CV_CATEGORY_DWA200222_HPP |