Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

boost/asio/detail/functional.hpp

//
// detail/functional.hpp
// ~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2024 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_FUNCTIONAL_HPP
#define BOOST_ASIO_DETAIL_FUNCTIONAL_HPP

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

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

namespace boost {
namespace asio {
namespace detail {

using std::function;

} // namespace detail

using std::ref;
using std::reference_wrapper;

} // namespace asio
} // namespace boost

#endif // BOOST_ASIO_DETAIL_FUNCTIONAL_HPP