static SimpleLiveValue dm_fieldLiveValueWithNotify(S fieldName, Runnable onChange) {
  ret dm_fieldLiveValueWithNotify(dm_current_mandatory(), fieldName, onChange);
}

static SimpleLiveValue dm_fieldLiveValueWithNotify(DynModule module, fS fieldName, Runnable onChange) {
  SimpleLiveValue lv = dm_fieldLiveValue(module, fieldName);
  value.onChange(onChange);
  ret value;
}