timestamp.hpp

#include <chrono>
#include <cstdint>

std::uint64_t now() const
{
  const auto timeNow = std::chrono::system_clock::now();
  const auto timeMs = std::chrono::duration_cast<std::chrono::milliseconds>(timeNow.time_since_epoch());
  const auto timestamp = timeMs.count();
  return timestamp;
}