CellRegistration.swift

let registration = UICollectionView.CellRegistration<CardCollectionViewCell, Card> { cell, indexPath, card in
    cell.card = card
}
 let dataSource = UICollectionViewDiffableDataSource<Column, Card>(
    collectionView: collectionView
) { collectionView, indexPath, card -> UICollectionViewCell in
    collectionView.dequeueConfiguredReusableCell(
        using: registration,
        for: indexPath,
        item: card
    )
}