svoid dm_boolFieldMenuItem(Container frame, fS field, fO... _) {
  final DynModule m = dm_current_mandatory();
  fS humanized = humanizeFormLabel(field);
  internalFrameTitlePopupMenu(frame/JInternalFrame, voidfunc(JPopupMenu menu) {
    menu.add(jCheckBoxMenuItem(humanized, (bool) _get(m, field), voidfunc(bool b) {
      m.setField(field, b);
      callF(optPar(_, 'onSet));
    }));
  });
}