5_5_2_1_2_12_1-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="any.html" title="Class any">any</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre>
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<td><p><span class="term">Effects:</span></p></td>
<td>Exchange of the contents of
              <code class="co