resolver_query_base.hpp 1.1 KB

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  1. //
  2. // ip/resolver_query_base.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2019 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. #ifndef BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
  11. #define BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #include <boost/asio/ip/resolver_base.hpp>
  17. #include <boost/asio/detail/push_options.hpp>
  18. namespace boost {
  19. namespace asio {
  20. namespace ip {
  21. /// The resolver_query_base class is used as a base for the
  22. /// basic_resolver_query class templates to provide a common place to define
  23. /// the flag constants.
  24. class resolver_query_base : public resolver_base
  25. {
  26. protected:
  27. /// Protected destructor to prevent deletion through this type.
  28. ~resolver_query_base()
  29. {
  30. }
  31. };
  32. } // namespace ip
  33. } // namespace asio
  34. } // namespace boost
  35. #include <boost/asio/detail/pop_options.hpp>
  36. #endif // BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP