static <A extends JTextComponent> A bindTextComponentToLiveValue(final A tc, final LiveValue lv) {
  ret bindLiveValueListenerToComponent(tc, lv,
    r { setText(tc, strOrNull(lv!)) });
}

static <A extends JTextComponent> A bindTextComponentToLiveValue(LiveValue lv, A tc) {
  ret bindTextComponentToLiveValue(tc, lv);
}