title: Editing Style of UITableView - Add/Delete
body: <p>I added the following code in my <strong>UITableViewController</strong> subclass, it shows something like in the screen shot, which is like a radio button, can select/deselect it. Selected button does have red-colored tick symbol. What is the button meant for?   </p>
  
  <pre><code>- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath { 
  return UITableViewCellEditingStyleDelete | UITableViewCellEditingStyleInsert; 
  }  
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/o8rau.png" alt="UITableViewCellEditingStyleDelete | UITableViewCellEditingStyleInsert">  </p>