title: Getting string value of indexPath.row
body: <p>Whats the difference between these 2 ways to get string value of indexPath.row?</p>
  
  <pre><code>override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -&gt; UITableViewCell {
      var newString: String = String(indexPath.row)
      var newString2: String = indexPath.row.description)
  }
  </code></pre>