as well as the additional requirements listed below.
</p>
<p>
+ The default constructor and move operations of the type <code class="computeroutput">X</code> shall
+ not exit via an exception.
+ </p>
+<p>
In the table below, <code class="computeroutput">a</code> denotes a (possibly const) value of type
<code class="computeroutput">X</code>, and <code class="computeroutput">u</code> denotes an identifier.
</p>