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// this_thread::sleep_for example
#include <iostream> // std::cout
#include <iomanip> // std::put_time
#include <thread> // std::this_thread::sleep_until
#include <chrono> // std::chrono::system_clock
#include <ctime> // std::time_t, std::tm, std::localtime, std::mktime
int main()
{
using std::chrono::system_clock;
std::time_t tt = system_clock::to_time_t (system_clock::now());
struct std::tm * ptm = std::localtime(&tt);
std::cout << "Current time: " << std::put_time(ptm,"%X") << '\n';
std::cout << "Waiting for the next minute to begin...\n";
++ptm->tm_min; ptm->tm_sec=0;
std::this_thread::sleep_until (system_clock::from_time_t (mktime(ptm)));
std::cout << std::put_time(ptm,"%X") << " reached!\n";
return 0;
}
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