= <a href="#type-iterator">iterator()</a></tt></li><li><tt>Tuple = tuple()</tt></li></ul></p>
<p> </p>
</div><p><p>
  Searches the iterator of tuples <code>TupleIterator</code> for a tuple whose
  <code>N</code>th element compares equal to <code>Key</code>. Returns <code>{value, Tuple}</code> if
  such a tuple is found, otherwise <code>false</code>.</p>
 
  Function keyfind/3 is usually more convenient.</p>
<p><b>See also:</b> <a href="#keyfind-3">keyfind/3</a>.</p>

<h3 class="function"><a name="keysort-2"