A bad excuse is worse than none.
esv::sleep is the esvcpp c++ object of esv::sleep_class.
Sleep for secs seconds, floating value is accepted :
esv::sleep(secs);
Sleep for dura seconds, chrono-literal-time is accepted:
esv::sleep(dura);
Sleep for weeks, days, hours, minutes, seconds, and milliseconds, floating value is accepted, chrono-literal value is not accepted :
esv::sleep(weeks, days, hours, minutes, seconds, milliseconds);
Sleep for milli_seconds, floating value:
esv::sleep.msleep(milli_seconds);
Sleep for micro_seconds, floating value:
esv::sleep(micro_seconds);
Sleep for nano_seconds, floating value:
esv::nsleep(nano_seconds);
Sleep for minutes, floating value:
esv::sleep.minsleep(minutes);
Sleep for hours, floating value:
esv::sleep(hours);
Sleep for days, floating value:
esv::sleep.dsleep(days);
Sleep for weeks, floating value:
esv::sleep.wsleep(weeks);