s_virtual_base_of.html" title="is_virtual_base_of">is_virtual_base_of</a>.
        </li>
</ul></div>
<h5>
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      <span class="phrase"><a name="boost_typetraits.history.boost_1_44_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_44_0">Boost
      1.44.0</a>
    </h5>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Added support for rvalue references throughout the li