          <td>
              
            </td>
            <td>::</td>
            <td><strong>ib</strong></td>
            <td>
                
            </td>
        </tr>
    </tbody>
  </table>

      <h3>Return Value
        <small>
          <span class="anchor" id="variable-lt"></span>
          integer
        </small>
      </h3>
      
    <br>


    
    

    
    



    
    <section>
    <h2><span class="anchor" id="src"></span>Source Code</h2>
    <div class="hl codehilite"><pre><span><