><code class="language-swift">mutating func insert(_ newMember: Self.Element) -> (inserted: Bool, memberAfterInsert: Self.Element)</code></div></div><div id="intersection-702b8e697e80086d5633489bb359352b" class="declaration"><a class="toggle-link" href="#comment-intersection-702b8e697e80086d5633489bb359352b">func intersection(_ other: Self) -> Self</a> <span class="required">Required</span><div class="comment collapse in" id="comment-intersection-702b8e697e80086d5633489bb359352b"><p>Returns a new set with t