"identifier">i</span><span class="special">][</span><span class="number">1</span><span class="special">]</span> <span class="special">&lt;&lt;</span> <span class="char">'\n'</span><span class="special">;</span>
<span class="special">}</span>
</pre>
<p>
      </p>
<p>
        That is all. You can use functional libraries like <a href="http://www.boost.org/doc/libs/release/doc/html/lambda.html" target="_top">Boost.Lambda</a>
        or <a href="http://www.boost.org/doc/libs/1_46_1/libs/spirit/phoenix/doc/html