sclass Timeout {
  long started, deadline;
  
  *(double seconds) {
    started = now();
    deadline = started+toMS(seconds);
  }
  
  bool reached aka get() {
    ping();
    ret now() >= deadline;
  }
  
  double elapsedSeconds() {
    ret elapsedSeconds_now(started);
  }
}

Began life as a copy of #1015834