UITableView tap to deselect cell

Question

I have a UITableViewCell that is selected when tapped. During this selected state, if the user taps the cell again, I want the cell to deselect.

I can\

Answer 1

in Swift 4:

func tableView(_ tableView: UITableView, willSelectRowAt indexPath: IndexPath) -> IndexPath? {

    if let indexPathForSelectedRow = tableView.indexPathForSelectedRow,
        indexPathForSelectedRow == indexPath {
        tableView.deselectRow(at: indexPath, animated: false)
        return nil
    }
    return indexPath
}