functional.hpp 1014 B

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  1. //
  2. // detail/functional.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2018 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_DETAIL_FUNCTIONAL_HPP
  11. #define BOOST_ASIO_DETAIL_FUNCTIONAL_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 <functional>
  17. #if !defined(BOOST_ASIO_HAS_STD_FUNCTION)
  18. # include <boost/function.hpp>
  19. #endif // !defined(BOOST_ASIO_HAS_STD_FUNCTION)
  20. namespace boost {
  21. namespace asio {
  22. namespace detail {
  23. #if defined(BOOST_ASIO_HAS_STD_FUNCTION)
  24. using std::function;
  25. #else // defined(BOOST_ASIO_HAS_STD_FUNCTION)
  26. using boost::function;
  27. #endif // defined(BOOST_ASIO_HAS_STD_FUNCTION)
  28. } // namespace detail
  29. } // namespace asio
  30. } // namespace boost
  31. #endif // BOOST_ASIO_DETAIL_FUNCTIONAL_HPP