1 //
2 // ip/resolver_query_base.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2016 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 ASIO_IP_RESOLVER_QUERY_BASE_HPP
12 #define 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 "asio/detail/config.hpp"
19 #include "asio/ip/resolver_base.hpp"
20 
21 #include "asio/detail/push_options.hpp"
22 
23 namespace asio {
24 namespace ip {
25 
26 /// The resolver_query_base class is used as a base for the
27 /// basic_resolver_query class templates to provide a common place to define
28 /// the flag constants.
29 class resolver_query_base : public resolver_base
30 {
31 protected:
32   /// Protected destructor to prevent deletion through this type.
~resolver_query_base()33   ~resolver_query_base()
34   {
35   }
36 };
37 
38 } // namespace ip
39 } // namespace asio
40 
41 #include "asio/detail/pop_options.hpp"
42 
43 #endif // ASIO_IP_RESOLVER_QUERY_BASE_HPP
44