SimpleViewController using enum

.swift

// Right now you can delete SimpleViewCellType protocol

struct Person {
    var name: String
    var surname: String
}

struct Advertisement {
    var brandName: String
}

public final class SimpleViewController: UIViewController {
    
    @IBOutlet weak var tableView: UITableView!
    
    // List of instances of enum CellType
    var peopleWithAdvertisementList: [CellType]!
    
    // .................
    
    // Creates dummy list with 4 People and 2 Advertisements.
    // We use CellType.
    fileprivate func createDummyList() {
        peopleWithAdvertisementList = [.person(Person(name: "Dante", surname: "Brazeal")),
                                       .person(Person(name: "Sharie", surname: "Bluitt")),
                                       .ad(Advertisement(brandName: "GoodRequest")),                                       
                                       .person(Person(name: "Chauncey", surname: "Stephens")),
                                       .person(Person(name: "Lacey", surname: "Fanske")),
                                       .ad(Advertisement(brandName: "GoodRequest"))]
    }
    
}

extension SimpleViewController {
    
    enum CellType {
        case ad(Advertisement)
        case person(Person)
    }
    
}

extension SimpleViewController: UITableViewDataSource, UITableViewDelegate {
    
    public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        var dequeuedCell: UITableViewCell?
        
        // .................
        
        //Matching enumeration Values with Switch statement
        switch peopleWithAdvertisementList[indexPath.row] {
        case .ad(let advertisement):
            if let cell = tableView.dequeueReusableCell(withIdentifier: "AdvertisementCell") as? AdvertisementCell {
                cell.setup(advertisement: advertisement)
                dequeuedCell = cell
            }
        case .person(let person):
            if let cell = tableView.dequeueReusableCell(withIdentifier: "PeopleCell") as? PeopleCell {
                cell.setup(person: person)
                dequeuedCell = cell
            }
            
        }
        
        return dequeuedCell ?? UITableViewCell()
    }
    
}