removeSlot method

T? removeSlot(
  1. int index
)

Implementation

T? removeSlot(int index) {
  final key = _relationship.keys.elementAt(index);
  final item = _relationship.values.elementAt(index)?.item;
  _relationship.remove(key);
  if (mounted) {
    _updateSlots();
    setState(() {});
  }
  widget.onChanged?.call(items);
  return item;
}