你认为在其他StateNotifier的状态中有一个StateNotifier列表可以吗？例如：

class ListOfItems extends StateNotifier<ListState> {
  void doSomethingWithList() {
    // update state of list -> rebuild ListWidget
  }

  void doSomethingWithItem(int itemIndex) {
    final item = state.items[itemIndex];
    item.doSomethingWithItem();
  }
}

class ListState {
  final List<Item> items;
  // some other properties

  ListState(this.items);
}

class Item extends StateNotifier<ItemState> {
  // can be called directly from the ItemWidget (on a button press) or from the ListOfItems
  void doSomethingWithItem() {
    // update state of item -> rebuild ItemWidget
  }
}

class ItemState {
  // some properties
}

我试过了，在我看来效果很好，会不会有陷阱？