de class="language-swift">func isSupersetOf(other: Self) -&gt; Bool</code>
    
    
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<div class="declaration" id="func-remove_">
<a class="toggle-link" data-toggle="collapse" href="#comment-func-remove_">mutating func remove(<wbr>_:)</a>
     <span class="required">Required</span>    
<div class="comment collapse" id="comment-func-remove_"><div class="p">
    <p>If <code>member</code> is contained in <code>self</code>, removes and returns it.
Otherwise, removes all elements subsumed by <