diffSets function

List<List<String>> diffSets(List<String> initial, List<String> updated)

Implementation

List<List<String>> diffSets(
  final List<String> initial,
  final List<String> updated,
) {
  return [
    updated.where((key) => !initial.contains(key)).toList(),
    initial.where((key) => !updated.contains(key)).toList(),
  ];
}