       generators is semantically and syntactically equivalent to the type implemented
            by <a href="../../../../../../../libs/any/index.html" target="_top">Boost.Any</a>. It has
            been added to <span class="emphasis"><em>Spirit</em></span> as it has better a performance
            and a smaller footprint if compared to <a href="../../../../../../../libs/any/index.html" target="_top">Boost.Any</a>.
          </p></td></tr>
</table></div>
<div class="note"><table border="0" summary="Note