Passing data to the RestaurantDetailViewController instance

You have added and connected the outlets for the Restaurant Detail screen inside the RestaurantDetailViewController class. You've also added code to this class to get restaurant data from a RestaurantItem instance and use it to populate its outlets. The last thing you need to do is pass the selected RestaurantItem instance from the RestaurantListViewController instance to the RestaurantDetailViewController instance. Follow these steps:

1. Click the RestaurantListViewController file in the Project navigator.
2. Add the following code after viewDidLoad(): to call a showRestaurantDetail(segue:) method if the segue identifier is showDetail:

   override func prepare(for segue: UIStoryboardSegue, 
   sender: Any?) {
      if let identifier = segue.identifier {
         switch identifier {
         case Segue.showDetail.rawValue:
        ...