Yerazhas

let group = DispatchGroup()
var items = [ProductViewModelItem]()

func getData(with data: [String: Int], completion: @escaping () -> Void) {
        let queue = DispatchQueue(label: "serialQ")
        for (_, value) in data {
            makeRequest(with: value, queue: queue)
        }
        group.notify(queue: DispatchQueue.main) {
            completion()

Yerazhas

import csv

class Email:
    def __init__(self, email, spamId):
        self.email = email
        self.spamId = spamId


def parseLines(filename):
    lines = csv.reader(open(filename, "rb"))

Yerazhas

import UIKit

class ScrollableController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
    }
    
    private func setupViews() {

Yerazhas

import UIKit

protocol State: class {
    var stateMachine: StateMachine { get }
    func loggedIn()
    func loggedOut()
}

extension State {
    func loggedIn() {}

Yerazhas

let firstVC = UINavigationController(rootViewController: DialogsController(networkManager: networkManager, socketClient: chatManager)).userSideMenu()
            let secondVC = UINavigationController(rootViewController: MainController(networkManager: networkManager, offlineManager: OfflineManager(), categoryId: 1)).userSideMenu()
            let thirdVC = UINavigationController(rootViewController: NotificationsController(networkManager: networkManager)).userSideMenu()
            let fourthVC = UIViewController()
            firstVC.delegate = self
            secondVC.delegate = self
            thirdVC.delegate = self
            
            firstVC.tabBarItem = ESTabBarItem.init(ESTabBarItemContentView(), title: nil, image: #imageLiteral(resourceName: "comment-white-oval-bubble").withRenderingMode(.alwaysOriginal), selectedImage: #imageLiteral(resourceName: "comment-white-oval-bubble").withRenderingMode(.alwaysOriginal))
            secondVC.tabBarItem = ESTabBarItem.init(ESTabBarItemContentView(), title:

Yerazhas

class Car {
    var mark: String?
    var wheels: Int?
    var maxSpeed: Double?
    var oil: String?
    
    convenience init(mark: String) {
        self.init(mark: mark, wheels: nil, maxSpeed: nil, oil: nil)
    }
    

Yerazhas

final class Car {
    var mark: String?
    var wheels: Int?
    var maxSpeed: Double?
    var oil: String?
    
    static func createMarkedCar(mark: String) -> Car {
        return self.init(mark: mark, wheels: nil, maxSpeed: nil, oil: nil)
    }
    

Yerazhas

class XMLBuilder {
    func addElement(_ id: String) {}
}

class RandomTest {}

class XMLBuilderTest: RandomTest {
    private var builder: XMLBuilder
    
    public func testAddRoot() {

Yerazhas

import UIKit

protocol OutputBuilder {
    func addElement(_ id: String)
}

class XMLBuilder: OutputBuilder {
    func addElement(_ id: String) {}
}

Yerazhas

protocol OutputBuilder {
  func addElement(_ id: String)
}

class XMLBuilder: OutputBuilder {
    func addElement(_ id: String) {}
}

class DOMBuilder: OutputBuilder {
    func addElement(_ id: String) {}