// // cpp14/can_query_member.cpp // ~~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // 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) // #include "asio/query.hpp" #include struct prop { template static constexpr bool is_applicable_property_v = true; }; struct object { constexpr int query(prop) const { return 123; } }; int main() { static_assert(asio::can_query_v, ""); static_assert(asio::can_query_v, ""); }