rd">const</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp22400576"></a><h2>Description</h2>
<div class="refsect2">
<a name="idp22400784"></a><h3>
<a name="idp27668912-bb"></a><code class="computeroutput">promote_base</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><span class="identifier">To</span> <a name="idp27669120