lass="identifier">make_list_member_hook</span><span class="special">::</span><span class="identifier">type</span><span class="special">&lt;</span> <span class="identifier">O1</span><span class="special">,</span> <span class="identifier">O2</span><span class="special">,</span> <span class="identifier">O3</span> <span class="special">&gt;</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// <a class="link" href="list_member_hook.htm