>Parameters:</strong>
  <strong>other:</strong> A sequence to compare to this sequence.
  <strong>areEquivalent:</strong> A predicate that returns <code>true</code> if its two arguments
    are equivalent; otherwise, <code>false</code>.
<strong>Returns:</strong> <code>true</code> if this sequence and <code>other</code> contain equivalent items,
  using <code>areEquivalent</code> as the equivalence test; otherwise, <code>false.</code></p>

<p><strong>See Also:</strong> <code>elementsEqual(_:)</code></p>

   