WSJT-X/boost/python/detail/cv_category.hpp
Bill Somerville d361e123c6 Squashed 'boost/' changes from d9443bc48..c27aa31f0
c27aa31f0 Updated Boost to v1.70.0 including iterator range math numeric crc circular_buffer multi_index intrusive

git-subtree-dir: boost
git-subtree-split: c27aa31f06ebf1a91b3fa3ae9df9b5efdf14ec9f
2019-07-02 23:38:24 +01:00

37 lines
1.0 KiB
C++

// Copyright David Abrahams 2002.
// 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)
#ifndef CV_CATEGORY_DWA200222_HPP
# define CV_CATEGORY_DWA200222_HPP
# include <boost/python/detail/type_traits.hpp>
namespace boost { namespace python { namespace detail {
template <bool is_const_, bool is_volatile_>
struct cv_tag
{
BOOST_STATIC_CONSTANT(bool, is_const = is_const_);
BOOST_STATIC_CONSTANT(bool, is_volatile = is_volatile_);
};
typedef cv_tag<false,false> cv_unqualified;
typedef cv_tag<true,false> const_;
typedef cv_tag<false,true> volatile_;
typedef cv_tag<true,true> const_volatile_;
template <class T>
struct cv_category
{
// BOOST_STATIC_CONSTANT(bool, c = is_const<T>::value);
// BOOST_STATIC_CONSTANT(bool, v = is_volatile<T>::value);
typedef cv_tag<
is_const<T>::value
, is_volatile<T>::value
> type;
};
}}} // namespace boost::python::detail
#endif // CV_CATEGORY_DWA200222_HPP