n="left" valign="top"><p>Undefined behaviour if the imported object is not move assignable. </p></td></tr>
</table></div>
<p>
</p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="idp40225216-bb"></a><span class="keyword">operator</span> <span class="keyword">bool</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Check if the class is loaded. </li>
<li class="listitem">