title: The left operand of '&' is a garbage value
body: <p>I wouldn't normally paste an image, I would provide the code as text, but I felt that the analyzer warnings where important.</p>
  
  <p>I'm not sure what this means and how to fix the problems.</p>
  
  <p><img src="https://i.stack.imgur.com/vVIIA.jpg" alt="enter image description here"></p>
  
  <p>The full code can be found here
  <a href="https://github.com/robbiehanson/CocoaHTTPServer/blob/master/Core/Categories/DDData.m" rel="nofollow noreferrer">https://github.com/robbiehanson/CocoaHTTPServer/blob/master/Core/Categories/DDData.m</a></p>