anguage-swift">init&lt;S>(_ sequence: S) where S: Sequence, Self.Element == S.Element</code></div></div><h3>Instance Variables</h3><div id="isEmpty-371a91e5c91e40f6212ab50995ccb0cd" class="declaration"><a class="toggle-link" href="#comment-isEmpty-371a91e5c91e40f6212ab50995ccb0cd">var isEmpty</a> <span class="required">Required</span><div class="comment collapse in" id="comment-isEmpty-371a91e5c91e40f6212ab50995ccb0cd"><p>A Boolean value that indicates whether the set has no elements.</p>
<h4>Declaration</h