asobolevsky

extension UINavigationController {
    override open var childForStatusBarStyle: UIViewController? {
        return topViewController
    }
}

extension UITabBarController {
    override open var childForStatusBarStyle: UIViewController? {
        return selectedViewController
    }

asobolevsky

extension UISplitViewController {
    open override var childForStatusBarStyle: UIViewController? {
        return viewControllers.first
    }
}

extension UITabBarController {
    open override var childForStatusBarStyle: UIViewController? {
        return selectedViewController
    }

asobolevsky

extension UICollectionViewCell {
    static let reuseID = String(describing: self)
    static let nib = UINib(nibName: String(describing: self), bundle: nil)
}

asobolevsky

final class PersistentStack {

    private let storeUrl: URL
    private let modelUrl: URL

    private lazy var managedObjectModel: NSManagedObjectModel = {
        guard let model = NSManagedObjectModel(contentsOf: modelUrl) else {
            fatalError("Cannot find model file with URL: \(modelUrl)")
        }
        return model

asobolevsky

enum CountryCode: String {

    case us = "USA"
    case zh = "China"
    case fr = "France"
    case ru = "Russia"

    var locale: Locale {
        let identifier: String

asobolevsky

import UIKit

protocol CalendarDelegate: class {
    func calendar(_ calendar: Calendar, willDisplay year: Int)
    func calendar(_ calendar: Calendar, didSelect date: Date)
    func calendarShouldChangeYear(_ calendar: Calendar) -> Bool
}

protocol CalendarDataSource {
    func calendar(_ calendar: Calendar, eventsFor date: Date) -> [String]

asobolevsky

import UIKit

typealias BehaviorClosure = (_ viewController: UIViewController) -> ()

protocol ViewControllerLifecycleBehavior {
    func afterLoading(_ viewController: UIViewController)

    func beforeAppearing(_ viewController: UIViewController)

    func afterAppearing(_ viewController: UIViewController)

asobolevsky

var ordersList: Order? {
    didSet {
      var fullLabelAddressFromAndStatusLabel = ""
      var fullLabelAddressToAndStatusLabel   = ""
      var statusStringLengthFrom             = 0
      var statusStringLengthTo               = 0
      
      orderFirstTimeLabel.text = ""
      orderSecondTimeLabel.text = ""
      

asobolevsky

extension UIColor {
  
  public convenience init?(hex: String) {
      let r, g, b, a: CGFloat
      if hex.hasPrefix("#") {
          let start = hex.index(hex.startIndex, offsetBy: 1)
          let hexColor = String(hex[start...])

          if hexColor.count == 8 {
              let scanner = Scanner(string: hexColor)

asobolevsky

protocol ServiceLocating {
  func getService<T>() -> T?
}

final class ServiceLocator: ServiceLocating {
  private lazy var services: Dictionary<String, Any> = [:]
  
  private func typeName(some: Any) -> String {
    return (some is Any.Type) ?
      "\(some)" : "\(type(of: some))"