Function main

example/cpp11/tutorial/timer3/timer.cpp:29–43

}

int main()
{
  boost::asio::io_context io;

  int count = 0;
  boost::asio::steady_timer t(io, boost::asio::chrono::seconds(1));
  t.async_wait(std::bind(print,
        boost::asio::placeholders::error, &t, &count));

  io.run();

  std::cout << "Final count is " << count << std::endl;

  return 0;
}