title: Label can only appear inside switch statement
body: <p>I am getting an error with my stock app and it is giving me a error. Here is my code.</p>
  
  <pre><code>NotificationCenter.default.addObserver(self, selector: #selector(self.keyboardWillShowNotification(_:)), name: NSNotification.Name.UIKeyboardWillShow, object: nil)
  </code></pre>
  
  <p>I am getting two errors. </p>
  
  <ol>
  <li><p>Default' label can only appear inside a 'switch' statement</p></li>
  <li><p>Expected member name following '.'</p></li>
  </ol>