><span class="identifier">int_</span><span class="special">;</span>
</pre>
<p>
          </p>
<p>
            This parser tries to match an <code class="computeroutput"><span class="keyword">int</span></code>
            and returns <code class="computeroutput"><span class="keyword">true</span></code> a its attribute
            as it succeeded matching:
          </p>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="identifier">result</span> <span class="special">=</span>