ceph/src/boost/libs/asio/test/properties/cpp14/can_query_member.cpp

   1 //
   2 // cpp14/can_query_member.cpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #include <boost/asio/query.hpp>
  12 #include <cassert>
  13
  14 struct prop
  15 {
  16   template <typename> static constexpr bool is_applicable_property_v = true;
  17 };
  18
  19 struct object
  20 {
  21   constexpr int query(prop) const { return 123; }
  22 };
  23
  24 int main()
  25 {
  26   static_assert(boost::asio::can_query_v<object, prop>, "");
  27   static_assert(boost::asio::can_query_v<const object, prop>, "");
  28 }