/pre>
<p>
          </p>
<p>
            This should print <code class="computeroutput"><span class="string">"Hello"</span></code>.
            Note: There are better ways to extract the value from the variant. See
            <a href="http://www.boost.org/doc/html/variant.html" target="_top">Boost.Variant</a>
            visitation. This code is solely for demonstration.
          </p>
<p>
</p>
<pre class="programlisting"><span class="keyword">if</span> <span class="special">(</span><span class="identifier