title: Cannot invoke to != nil in xcode 6.1 generating error
body: <p>Cannot invoke to != nil in xcode 6.1 generating error</p>
  
  <pre><code>func parser(parser: NSXMLParser!, didEndElement elementName: String!, namespaceURI: String!, qualifiedName qName: String!) {
  
      if(elementName as NSString).isEqualToString("item"){
          if ftitle != nil{
          elements.setObject(self.ftitle, forKey: "title")
          }
          if link != nil {
              elements.setObject(self.link, forKey: "link")
          }
          if fdescription  != nil{
          elements.setObject(self.fdescription, forKey: "description")
          }
  
          feeds.addObject(elements)
      }
  }
  </code></pre>