getCardsByIds method

@override Future<List<SRSCardState>> getCardsByIds(List<String> cardIds)

Implementation

@override
Future<List<SRSCardState>> getCardsByIds(List<String> cardIds) async {
  return cardIds
      .map((id) => _store[id])
      .where((s) => s != null)
      .cast<SRSCardState>()
      .toList();
}