drop exceeds the number of elements in
the sequence, the result is an empty sequence.</p>
<pre><code class="language-swift">let numbers = [1, 2, 3, 4, 5]
print(numbers.dropFirst(2))
// Prints &quot;[3, 4, 5]&quot;
print(numbers.dropFirst(10))
// Prints &quot;[]&quot;
</code></pre>
<ul>
<li>Parameter k: The number of elements to drop from the beginning of
the sequence. <code>k</code> must be greater than or equal to zero.</li>
</ul>
<blockquote>
<p>Complexity:
O(1), with O(<em>k</em>) deferred to each iterat