n><span style="color: #007700">-&gt;</span><span style="color: #0000BB">_key</span><span style="color: #007700">!==</span><span style="color: #0000BB">false</span><span style="color: #007700">;<br />}</span>
</span>
</code></div>
</div>
<p>Returns whether there is an element at current position.
This method is required by the interface Iterator.</p>


