an class="keyword">false</span><span class="special">&gt;</span> <span class="special">&gt;</span>   <span class="identifier">BaseSet</span><span class="special">;</span>

<span class="comment">//Define an multiset using the member hook</span>
<span class="keyword">typedef</span> <span class="identifier">member_hook</span><span class="special">&lt;</span><span class="identifier">MyClass</span><span class="special">,</span> <span class="identifier">bs_set_member_hook</span><span class="special">&lt;&gt;,</sp