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40 lines
775 B
C++
40 lines
775 B
C++
//
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// cpp11/can_query_member.cpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2025 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include <boost/asio/query.hpp>
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#include <cassert>
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struct prop
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{
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};
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struct object
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{
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constexpr int query(prop) const { return 123; }
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};
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namespace boost {
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namespace asio {
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template<>
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struct is_applicable_property<object, prop>
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{
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static constexpr bool value = true;
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};
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} // namespace asio
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} // namespace boost
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int main()
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{
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static_assert(boost::asio::can_query<object, prop>::value, "");
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static_assert(boost::asio::can_query<const object, prop>::value, "");
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}
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