efix</code> always results in <code>true</code>.</p>

<pre><code class="language-swift">print(b.starts(with: []))
// Prints &quot;true&quot;</code></pre>

<p><strong><code>possiblePrefix</code>:</strong>  A sequence to compare to this sequence.
<strong>Returns:</strong> <code>true</code> if the initial elements of the sequence are the same as
  the elements of <code>possiblePrefix</code>; otherwise, <code>false</code>. If
  <code>possiblePrefix</code> has no elements, the return value is <code>true</code>.<