// a variant of thread where you can get the Runnable target later

sclass BetterThread extends Thread {
  Runnable target;
  
  *(Runnable *target) {}
  *(Runnable *target, S *name) { super(name); }
  
  run {
    if (target != null) target.run();
  }
  
  Runnable getTarget() { ret target; }
}