hooks: bs_set_base_hook and
      bs_set_member_hook</a> section for more information about these hooks.
    </p>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="intrusive.sg_set_multiset.sg_set_multiset_containers"></a><a class="link" href="sg_set_multiset.html#intrusive.sg_set_multiset.sg_set_multiset_containers" title="sg_set, sg_multiset and sgtree containers">sg_set,
      sg_multiset and sgtree containers</a>
</h3></div></div></div>
<pre class="programlisting"><span 