">"5"</code> or
        vice-versa.  Such types are common in scripting and other
        interpreted
        languages. 
        <code class="computeroutput">boost::lexical_cast</code>
        supports such conversion functionality.</p></li>
<li class="listitem"><p>
        Discriminated types that contain values of different types but
        do not attempt conversion between them, i.e. <code class="computeroutput">5</code> is
        held strictly as an <code class="computeroutput">int</code> and is not 