ceph/src/boost/libs/asio/test/properties/cpp11/can_query_not_applicable_free.cpp

   1 //
   2 // cpp11/can_query_not_applicable_free.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 };
  17
  18 struct object
  19 {
  20   friend constexpr int query(const object&, prop) { return 123; }
  21 };
  22
  23 int main()
  24 {
  25   static_assert(!boost::asio::can_query<object, prop>::value, "");
  26   static_assert(!boost::asio::can_query<const object, prop>::value, "");
  27 }