DominikPetho

class Person {
    
    var name: String
    var surname: String
    
    init(name: String, surname: String) {
        self.name = name
        self.surname = surname
    }
    

DominikPetho

//Init is automatically created
struct Person {
    var name: String
    var surname: String
}

let person = Person(name: "Dante", surname: "Brazeal")
//Assign person to another variable.
var secondPerson = person
//Change name of second person

DominikPetho

// Define protocol
protocol SimpleViewCellItem {}

// Let all types, which you want to show in table view, comforms to that protocol
struct Person: SimpleViewCellItem {
    var name: String
    var surname: String
}

DominikPetho

public final class SimpleViewController: UIViewController {
    
    @IBOutlet weak var tableView: UITableView!
    
    // List of items, showed in TableView
    var peopleWithAdvertisementList: [SimpleViewCellItem]!
    
    public override func viewDidLoad() {
        setupTableView()
        createDummyList()

DominikPetho

public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    var dequeuedCell: UITableViewCell?
    
    if peopleWithAdvertisementList[indexPath.row] is Advertisement {
        dequeuedCell = tableView.dequeueReusableCell(withIdentifier: "AdvertisementCell")
    } else if peopleWithAdvertisementList[indexPath.row] is Person {
        dequeuedCell = tableView.dequeueReusableCell(withIdentifier: "PeopleCell")
    } else {
        // Else what? Do we have other type comforming to SimpleViewCellItem protocol?
    }

DominikPetho

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

DominikPetho

// Right now you can delete SimpleViewCellType protocol

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

struct Advertisement {
    var brandName: String
}

DominikPetho

class ViewController: UIViewController {
    
    @IBOutlet weak var userImageView: UIImageView!
    @IBOutlet weak var messageButton: UIButton!
    @IBOutlet weak var followButton: UIButton!
    @IBOutlet weak var userNameLabel: UILabel!
    
    @IBOutlet weak var phoneNameButton: UIButton!
    @IBOutlet weak var phoneNameLabel: UILabel!
    @IBOutlet weak var phoneNameRightImageView: UIImageView!

DominikPetho

struct User {
    let name: String
    let surname: String
    let photo: UIImage
}

class ViewControllerHeaderView: UIView {
    
    @IBOutlet weak var userImageView: UIImageView!
    @IBOutlet weak var messageButton: UIButton!

DominikPetho

import UIKit

@propertyWrapper
struct Printer<T> {
    
    public var currentValue: T?
    
    var wrappedValue: T? {
        get {
            print("Property wrapper value printed", currentValue)