// firstDelay = delay
static FixedRateTimer doEvery_daemon(S timerName default defaultTimerName(), long delay, final O r) {
  ret doEvery_daemon(timerName, delay, delay, r);
}

static FixedRateTimer doEvery_daemon(S timerName default defaultTimerName(), long delay, long firstDelay, final O r) {
  FixedRateTimer timer = new(true);
  timer.scheduleAtFixedRate(smartTimerTask(r, timer, delay), firstDelay, delay);
  ret timer;
}

static FixedRateTimer doEvery_daemon(double delaySeconds, final O r) {
  ret doEvery_daemon(toMS(delaySeconds), r);
}

Timers are cancelled automatically when program is delicensed