,</span> <span class="identifier">x3</span><span class="special">::</span><span class="identifier">annotate_on_success</span> <span class="special">{};</span>
<span class="special">}</span>
</pre>
<p>
        Go back and review the <a class="link" href="annotation.html#__tutorial_annotated_employee_parser__">annotated
        employee parser</a>. What has changed? It is almost identical, except:
      </p>
<p>
        Where appropriate, we're using the expectation operator (<code class="computeroutput"><spa