title: Swift error with new xcode ' static properties are only allowed within structs and enums; use class. property'
body: <p>I am getting the error on the following line.</p>
  
  <pre><code>static let sharedData : SharedData = SharedData()
  </code></pre>
  
  <p>I am using the new Xcode (6.2) so I don't know why I am getting this error. I thought this should've worked. Please let me know how to resolve this issue. Perhaps I should be using a different version.</p>