a></code>
                methods, except they take slots of type <code class="computeroutput"><a class="link" href="signal.html#boost.signals2.signal.extended_slot_type">extended_slot_type</a></code>.
                This is useful if a slot needs to access the connection between it and the
                signal invoking it, for example if it wishes to disconnect or block its own connection.
              </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="id-1_3_37_6_9_3_1_2_24_3-bb"></a