1 //
2 // ip/resolver_query_base.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2021 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 #ifndef BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
12 #define BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
13 
14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
15 # pragma once
16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17 
18 #include <boost/asio/detail/config.hpp>
19 #include <boost/asio/ip/resolver_base.hpp>
20 
21 #include <boost/asio/detail/push_options.hpp>
22 
23 namespace boost {
24 namespace asio {
25 namespace ip {
26 
27 /// The resolver_query_base class is used as a base for the
28 /// basic_resolver_query class templates to provide a common place to define
29 /// the flag constants.
30 class resolver_query_base : public resolver_base
31 {
32 protected:
33   /// Protected destructor to prevent deletion through this type.
~resolver_query_base()34   ~resolver_query_base()
35   {
36   }
37 };
38 
39 } // namespace ip
40 } // namespace asio
41 } // namespace boost
42 
43 #include <boost/asio/detail/pop_options.hpp>
44 
45 #endif // BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
46