   var searchController: UISearchController!
   var suggestedSearchFoods: [String] = []
   var filteredSuggestedSearchFoods: [String] = []
+  var searchString: String?
   
   override func viewDidLoad() {
     super.viewDidLoad()


// MARK: UISearchResultsUpdating
extension ViewController: UISearchResultsUpdating {
  func updateSearchResultsForSearchController(searchController: UISearchController) {
    
  }
}

    // ensure the search results controller is presented inside the view controller
    self.definesPresentationContext = true
    
    self.suggestedSearchFoods = ["apple", "bagel", "banana", "beer", "bread", "carrots", "cheddar cheese", "chicken breast", "chili with beans", "chocolate chip cookie", "coffee", "cola", "corn", "egg", "graham cracker", "granola bar", "green beans", "ground beef patty", "hot dog", "ice cream", "jelly doughnut", "ketchup", "milk", "mixed nuts", "mustard", "oatmeal", "orange juice", "peanut butter", "pizza", "pork chop", "potato", "potato chips", "pretzels", "raisins", "ranch salad dressing", "red wine", "rice", "salsa", "shrimp", "spaghetti", "spaghetti sauce", "tuna", "white wine", "yellow cake"]
  }
  
  override func didReceiveMemoryWarning() {
