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#include <iostream> #include <boost/asio.hpp> #include <boost/bind.hpp> #include <boost/date_time/posix_time/posix_time.hpp> void print(const boost::asio::error& /*e*/, boost::asio::deadline_timer* t, int* count) { if (*count < 5) { std::cout << *count << "\n"; ++(*count); t->expires_at(t->expires_at() + boost::posix_time::seconds(1)); t->async_wait(boost::bind(print, boost::asio::placeholders::error, t, count)); } } int main() { boost::asio::io_service io; int count = 0; boost::asio::deadline_timer t(io, boost::posix_time::seconds(1)); t.async_wait(boost::bind(print, boost::asio::placeholders::error, &t, &count)); io.run(); std::cout << "Final count is " << count << "\n"; return 0; }
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