p>
          </p>
<p>
            Extracting the attributes using Semantic Actions with <a href="../../../../../../../../libs/phoenix/doc/html/index.html" target="_top">Boost.Phoenix</a>
            (this should print <code class="computeroutput"><span class="number">123</span></code>):
          </p>
<p>
</p>
<pre class="programlisting"><span class="identifier">test_parser</span><span class="special">(</span><span class="string">"123"</span><span class="special">,</span> <span class="special">(</span><span