ceph/src/boost/boost/type_traits/is_scoped_enum.hpp

   1 /*
   2 Copyright 2020 Glen Joseph Fernandes
   3 (glenjofe@gmail.com)
   4
   5 Distributed under the Boost Software License,
   6 Version 1.0. (See accompanying file LICENSE_1_0.txt
   7 or copy at http://www.boost.org/LICENSE_1_0.txt)
   8 */
   9
  10 #ifndef BOOST_TT_IS_SCOPED_ENUM_HPP_INCLUDED
  11 #define BOOST_TT_IS_SCOPED_ENUM_HPP_INCLUDED
  12
  13 #include <boost/type_traits/conjunction.hpp>
  14 #include <boost/type_traits/is_enum.hpp>
  15 #include <boost/type_traits/is_convertible.hpp>
  16 #include <boost/type_traits/negation.hpp>
  17
  18 namespace boost {
  19
  20 template<class T>
  21 struct is_scoped_enum
  22     : conjunction<is_enum<T>, negation<is_convertible<T, int> > >::type { };
  23
  24 } /* boost */
  25
  26 #endif