MMMemory/iOS/src/AppDelegate.swift

import UIKit

@main
class AppDelegate: UIResponder, UIApplicationDelegate {
  var window: UIWindow?
}

extension AppDelegate {
  func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    window = UIWindow(frame: UIScreen.main.bounds)
    window?.rootViewController = Main.VC()
    window?.makeKeyAndVisible()

    return true
  }
}