&quot;Forlani&quot;, &quot;Alicia&quot;]&quot;
</code></pre>
<ul>
<li>Parameter other: A set of the same type as the current set.</li>
</ul>
<h4>Declaration</h4><code class="language-swift">func symmetricDifference(_ other: Self) -> Self</code></div></div><div id="union-6019238c5749a92e1ba330976a8b42f4" class="declaration"><a class="toggle-link" href="#comment-union-6019238c5749a92e1ba330976a8b42f4">func union(_ other: Self) -> Self</a> <span class="required">Required</span><div class="comment collapse in" 