1 // 2 // detail/noncopyable.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 11 #ifndef BOOST_ASIO_DETAIL_NONCOPYABLE_HPP 12 #define BOOST_ASIO_DETAIL_NONCOPYABLE_HPP 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 20 #include <boost/asio/detail/push_options.hpp> 21 22 namespace boost { 23 namespace asio { 24 namespace detail { 25 26 class noncopyable 27 { 28 protected: noncopyable()29 noncopyable() {} ~noncopyable()30 ~noncopyable() {} 31 private: 32 noncopyable(const noncopyable&); 33 const noncopyable& operator=(const noncopyable&); 34 }; 35 36 } // namespace detail 37 38 using boost::asio::detail::noncopyable; 39 40 } // namespace asio 41 } // namespace boost 42 43 #include <boost/asio/detail/pop_options.hpp> 44 45 #endif // BOOST_ASIO_DETAIL_NONCOPYABLE_HPP 46