// action = runnable or method name (old)
svoid onUpdateAndNow(JComponent c, fO r) {
  onUpdate(c, r);
  callF(r);
}

svoid onUpdateAndNow(JTextComponent c, IVF1<S> r) swing {
  onUpdate(c, r);
  callF(r, getText(c));
}

svoid onUpdateAndNow(L<? extends JComponent> l, O r) {
  for (JComponent c : l)
    onUpdate(c, r);
  callF(r);
}