    in mind that the data associated with each slot is the parser's attribute
          (which is passed to attached semantic actions).
        </p>
<p>
</p>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">hundreds_</span> <span class="special">:</span> <span class="identifier">qi</span><span class="special">::</span><span class="identifier">symbols</span><span class="special">&lt;</span><span class="keyword">char</span><span class="special">,</span> <span class="key