pan></p></td>
<td><p>Slots can disconnect at any point in time,
            including while those same slots are being invoked. It is
            therefore possible that the implementation must search
            through a list of disconnected slots to determine if any
            slots are still connected.</p></td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a n