"listitem"><p>If tokens are not unique, two slots may have
            the same name and be indistinguishable. In
            environments where many connections will be made
            dynamically, name generation becomes an additional task
            for the user.</p></li>
</ul></div>
<p> This type of interface is supported in Boost.Signals2
        via the slot grouping mechanism, and the overload of
        <code class="computeroutput"><a class="link" href="../boost/signals2/signal.html#id-1_3_37_6_9_