
<a class="toggle-link" data-toggle="collapse" href="#comment-func-elementsequal_by_">func elementsEqual(<wbr>_:<wbr>by:)</a>
        
<div class="comment collapse" id="comment-func-elementsequal_by_"><div class="p">
    <p>Returns a Boolean value indicating whether this sequence and another
sequence contain equivalent elements, using the given predicate as the
equivalence test.</p>

<p>At least one of the sequences must be finite.</p>

<p>The predicate must be a <em>equivalence relation</em> over the eleme