pan><span class="special">.</span><span class="identifier">last_name</span> <span class="special">&lt;</span> <span class="identifier">y</span><span class="special">.</span><span class="identifier">last_name</span><span class="special">;</span>
  <span class="special">}</span>
<span class="special">};</span>

<span class="keyword">struct</span> <span class="identifier">bracket</span> <span class="special">{</span>
  <span class="keyword">inline</span> <span class="keyword">unsigned</span> <span class="keywo