~~~~~~~~~~~~~~~~~~~~  //  // Copyright (c) 0000-0000 Christopher M. Kohlhoff (chris at kohlhoff dot com)  //  // Distributed under the Boost Software License, Version 0.0. (See accompanying  // file LICENSE_0_0.txt or copy at http://www.boost.org/LICENSE_0_0.txt)  //    #ifndef BOOST_ASIO_DETAIL_BASE_FROM_COMPLETION_COND_HPP  