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7c673cae | 1 | // |
b32b8144 FG |
2 | // detail/functional.hpp |
3 | // ~~~~~~~~~~~~~~~~~~~~~ | |
7c673cae | 4 | // |
92f5a8d4 | 5 | // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
7c673cae FG |
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 | ||
b32b8144 FG |
11 | #ifndef BOOST_ASIO_DETAIL_FUNCTIONAL_HPP |
12 | #define BOOST_ASIO_DETAIL_FUNCTIONAL_HPP | |
7c673cae FG |
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 | ||
b32b8144 FG |
20 | #include <functional> |
21 | ||
22 | #if !defined(BOOST_ASIO_HAS_STD_FUNCTION) | |
7c673cae | 23 | # include <boost/function.hpp> |
b32b8144 | 24 | #endif // !defined(BOOST_ASIO_HAS_STD_FUNCTION) |
7c673cae FG |
25 | |
26 | namespace boost { | |
27 | namespace asio { | |
28 | namespace detail { | |
29 | ||
30 | #if defined(BOOST_ASIO_HAS_STD_FUNCTION) | |
31 | using std::function; | |
32 | #else // defined(BOOST_ASIO_HAS_STD_FUNCTION) | |
33 | using boost::function; | |
34 | #endif // defined(BOOST_ASIO_HAS_STD_FUNCTION) | |
35 | ||
36 | } // namespace detail | |
37 | } // namespace asio | |
38 | } // namespace boost | |
39 | ||
b32b8144 | 40 | #endif // BOOST_ASIO_DETAIL_FUNCTIONAL_HPP |