title: Extra Argument "error" in attributesOfFileSystemForPaths method in swift 2.0
body: <p>This is the declaration of a dictionary in Objective-C</p>
  
  <pre><code> NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths lastObject] error: &amp;error];
  </code></pre>
  
  <p>when I do it in swift 2.0 , error(mentioned as title of the question) is shown. can anyone help me in writing this in swift 2.0 ? Thank you in advance.</p>