66 std::chrono::time_point<std::chrono::system_clock>
const& time);
std::string date2string(double ddate)
int strDate2int(const std::string &s)
std::string formatDate(std::chrono::time_point< std::chrono::system_clock > const &time)
int date2int(int y, int m, int d)
std::string int2date(int date)
int xmlDate2int(const std::string &s)