an><span class="special">,</span> <span class="char">'a'</span><span class="special">);</span>
</pre>
<div class="footnotes">
<br><hr style="width:100; text-align:left;margin-left: 0">
<div id="ftn.fusion.container.generation.functions.tiers.f0" class="footnote"><p><a href="#fusion.container.generation.functions.tiers.f0" class="para"><sup class="para">[11] </sup></a>
              see <a href="http://www.boost.org/libs/core/ref.html" target="_top">Ref utility</a>
              for details about <code class