ceph/src/boost/boost/python/detail/cv_category.hpp

   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/python/detail/type_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         is_const<T>::value
  30       , is_volatile<T>::value
  31     > type;
  32 };
  33
  34 }}} // namespace boost::python::detail
  35
  36 #endif // CV_CATEGORY_DWA200222_HPP