Method do_accept

example/cpp11/chat/chat_server.cpp:180–192

private:
  void do_accept()
  {
    acceptor_.async_accept(
        [this](boost::system::error_code ec, tcp::socket socket)
        {
          if (!ec)
          {
            std::make_shared<chat_session>(std::move(socket), room_)->start();
          }

          do_accept();
        });
  }

  tcp::acceptor acceptor_;
  chat_room room_;