n each element of a sequence
              of variant objects using a standard library
              algorithm.)</li>
</ul></div>

        </p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Returns:</span></p></td>
<td>The overloads acccepting operands return the result of
        applying the given visitor to the content of the given operands.
        The overload accepting only a