="link" href="../../concepts/poly.html" title="Polymorphic Function Object">Polymorphic
                      Function Object</a>
                    </p>
                  </td>
<td>
                    <p>
                      The function object to call.
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">s</span></code>
                    </p>
                  </td>
<td>
                  