static SimpleLiveValue dm_fieldLiveValueWithParseFunction(S fieldName, IF1<S, ?> parseFunction) {
  ret dm_fieldLiveValueWithParseFunction(dm_current_mandatory(), fieldName, parseFunction);
}

static SimpleLiveValue dm_fieldLiveValueWithParseFunction(DynModule module, S fieldName, IF1<S, ?> parseFunction) {
  lock module.lock;
  temp module.enter(); // for dm_watchField
  Class type = getFieldType(module, fieldName);
  SimpleLiveValue value = new(type, get(module, fieldName));
  dm_watchField(fieldName, r {
    O o = get(module, fieldName);
    value.set(o);
  });
  value.onChange(r {
    module.setField(fieldName, parseFunction.get(value!));
  });
  ret value;
}