SimpleDataSource#cellForRowAt.swift

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    switch indexPath.section {
    case 0:
        return tableView.dequeueReusableCell(withIdentifier: "ProfileTableViewCell") as! ProfileTableViewCell
    case 1:
        let cell = tableView.dequeueReusableCell(withIdentifier: "TaskTableViewCell") as! TaskTableViewCell
        let personalTask = tasks.filter { $0.category == .personal }[indexPath.row]
        cell.configure(with: personalTask)
        return cell
    case 2:
        let cell = tableView.dequeueReusableCell(withIdentifier: "TaskTableViewCell") as! TaskTableViewCell
        let shoppingTask = tasks.filter { $0.category == .shopping }[indexPath.row]
        cell.configure(with: shoppingTask)
        return cell
    case 3:
        let cell = tableView.dequeueReusableCell(withIdentifier: "TaskTableViewCell") as! TaskTableViewCell
        let workTask = tasks.filter { $0.category == .work }[indexPath.row]
        cell.configure(with: workTask)
        return cell
    default:
        fatalError()
    }
}