/td><td>- An optional visitor. You probably should not use this unless you have a very good reason. </td></tr>
  </table>
  </dd>
</dl>

<p>Definition at line <a class="el" href="ValueArg_8h_source.html#l00285">285</a> of file <a class="el" href="ValueArg_8h_source.html">ValueArg.h</a>.</p>

</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="af0ecdb6537febfcaa322e7131d2b3bf8"></a><!-- doxytag: member="TCLAP::ValueArg::_extractValue" ref="af0ecdb6537febfcaa322e7131d2b3bf8" args="