he node to an unlinked state. The argument is ignored.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Rationale</strong></span>: Providing a copy-constructor makes classes using the hook STL-compliant without forcing the user to do some additional work. <code class="computeroutput">swap</code> can be used to emulate move-semantics. </p>
</li>
<li class="listitem">
<pre class="literallayout">slist_base_hook&amp; <a name="idp71526880-bb"></a><span class="k