function.hpp 1.02 KB
Newer Older
xuebingbing's avatar
xuebingbing committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
//
// detail/function.hpp
// ~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef BOOST_ASIO_DETAIL_FUNCTION_HPP
#define BOOST_ASIO_DETAIL_FUNCTION_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/config.hpp>

#if defined(BOOST_ASIO_HAS_STD_FUNCTION)
# include <functional>
#else // defined(BOOST_ASIO_HAS_STD_FUNCTION)
# include <boost/function.hpp>
#endif // defined(BOOST_ASIO_HAS_STD_FUNCTION)

namespace boost {
namespace asio {
namespace detail {

#if defined(BOOST_ASIO_HAS_STD_FUNCTION)
using std::function;
#else // defined(BOOST_ASIO_HAS_STD_FUNCTION)
using boost::function;
#endif // defined(BOOST_ASIO_HAS_STD_FUNCTION)

} // namespace detail
} // namespace asio
} // namespace boost

#endif // BOOST_ASIO_DETAIL_FUNCTION_HPP