text: //
  // io_service_strand.hpp
  // ~~~~~~~~~~~~~~~~~~~~~
  //
  // Copyright (c) 2003-2020 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_IO_SERVICE_STRAND_HPP
  #define BOOST_ASIO_IO_SERVICE_STRAND_HPP
  
  #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  # pragma once
  #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  
  #include <boost/asio/io_context_strand.hpp>
  
  #endif // BOOST_ASIO_IO_SERVICE_STRAND_HPP
  