<span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">client</span><span class="special">::</span><span class="identifier">ast</span><span class="special">::</span><span class="identifier">employee</span><span class="special">&gt;</span> <span class="identifier">ast</span><span class="special">;</span>
</pre>
<p>
        We also create the actual error handler, sending message to <code class="computeroutput"><span class="identifier">st