1 // 2 // timer.cpp 3 // ~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2021 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 #include <iostream> 12 #include <boost/asio.hpp> 13 main()14int main() 15 { 16 boost::asio::io_context io; 17 18 boost::asio::steady_timer t(io, boost::asio::chrono::seconds(5)); 19 t.wait(); 20 21 std::cout << "Hello, world!" << std::endl; 22 23 return 0; 24 } 25