title: Xcode do not suggestion (autocomplete) code
body: <p>I have swift project in XCode 6. Something happened to my project that make my suggestion (autocomplete) doesn't work. </p>
  
  <blockquote>
    <ol>
    <li>It's problem with my current project. Other projects works good.</li>
    <li>I've tried to delete Derived Data.</li>
    <li>Reinstall XCode</li>
    <li>Deleted .workspace in project</li>
    <li>Tried "Header path".</li>
    </ol>
  </blockquote>
  
  <p>I searching answer and nothing of it do not work.</p>
  
  <p>One more: after delete of derived data when Xcode RE-indexing autocomplete is WORK. But when it finished autocomplete do not work again. It's something with workspace?</p>