/td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
        <tr>
          <td align="right">throw </td><td>(</td><td colspan="2"></td>
        </tr>
        <tr>
          <td align="right"></td><td>)</td><td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>Creates and returns pointer to the deep copy 