/span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="weak_ptr.html#idp56978368-bb"><span class="identifier">swap</span></a><span class="special">(</span><span class="identifier">this_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp78234016"></a><h2>Description</h2>
<p>The 