<span class="identifier">tag</span><span class="special">::</span><span class="identifier">long_long</span><span class="special">&gt;</span> <span class="special">:</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span> <span class="special">{};</span>
</pre>
<p>
        </p>
<p>
          Notice that <code class="computeroutput"><span class="identifier">any_int_parser</span></code>
          is placed in the namespace boost::spirit::qi while these <sp