span>
</pre>
<p>
        Now we can rewrite the example:
      </p>
<p>
        <a href="../../../../example/user_defined_names.cpp" target="_top">Go to source code</a>
      </p>
<p>
</p>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">id</span>   <span class="special">{};</span> <span class="comment">// Tag for the identification number</span>
<span class="keyword">struct</span> <span class="identifier">name</span> <span class="special">{};</span> <span class="comm