#include "time_io.hh"
#include <iostream>
#include <chrono>

std::ostream& operator<<(std::ostream& os, tp_t tp) {
  os << std::chrono::system_clock::to_time_t(tp);
  return os;
}

std::ostream& operator<<(std::ostream& os, ms_t msd) {
  os << std::chrono::duration_cast<ms_t>(msd).count();
  return os;
}

std::istream& operator>>(std::istream& is, ms_t& msd) {
  int ms;
  is >> ms;
  msd = std::chrono::duration<int, std::milli>(ms);
  return is;
}