ul class="definitions"><li><tt>Iterator1 = <a href="#type-iterator">iterator</a>(Elem)</tt></li><li><tt>Iterator2 = <a href="#type-iterator">iterator</a>({Index, Elem})</tt></li><li><tt>Index = pos_integer()</tt></li></ul></p>
<p> </p>
</div><p><p>
  Returns elements of <code>Iterator1</code> with each element <code>H</code> replaced by a
  tuple of form <code>{I, H}</code> where <code>I</code> is the position of <code>H</code> in
  <code>Iterator1</code>. The enumeration starts with 1 and increases by 1  
