dequeueExample4.swift

func tableView(_ tableView: UITableView, 
               cellForRowAt indexPath: IndexPath) -> UITableViewCell {
  let cellIdentifier = "Cell"
  let cell = tableView.dequeueReusableCell(
    withIdentifier: cellIdentifier
  ) as? CustomCell ?? CustomCell(reuseIdentifier: cellIdentifier)

  cell.customLabel.text = "Title"

  return cell
}