containsKey method
FieldValidator<T, Map<TKey, TValue> >
containsKey(
- TKey key, [
- MessageCallBack<
Map< ? messageTKey, TValue> >
check if the value contains key
Implementation
FieldValidator<T, Map<TKey, TValue>> containsKey(TKey key,
[MessageCallBack<Map<TKey, TValue>>? message]) {
return containsKeyFn(() => key, message);
}