asio/ip/resolver_query_base.hpp

0001 //
0002 // ip/resolver_query_base.hpp
0003 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
0004 //
0005 // Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
0006 //
0007 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0008 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0009 //
0010
0011 #ifndef BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
0012 #define BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
0013
0014 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
0015 # pragma once
0016 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
0017
0018 #include <boost/asio/detail/config.hpp>
0019 #include <boost/asio/ip/resolver_base.hpp>
0020
0021 #include <boost/asio/detail/push_options.hpp>
0022
0023 namespace boost {
0024 namespace asio {
0025 namespace ip {
0026
0027 /// The resolver_query_base class is used as a base for the
0028 /// basic_resolver_query class templates to provide a common place to define
0029 /// the flag constants.
0030 class resolver_query_base : public resolver_base
0031 {
0032 protected:
0033   /// Protected destructor to prevent deletion through this type.
0034   ~resolver_query_base()
0035   {
0036   }
0037 };
0038
0039 } // namespace ip
0040 } // namespace asio
0041 } // namespace boost
0042
0043 #include <boost/asio/detail/pop_options.hpp>
0044
0045 #endif // BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP