 href="#type-iterator">iterator</a>(Elem)</tt></li><li><tt>Start = pos_integer()</tt></li><li><tt>Len = non_neg_integer()</tt></li><li><tt>Iterator2 = <a href="#type-iterator">iterator</a>(Elem)</tt></li></ul></p>
<p> </p>
</div><p>
  Returns the portion of <code>Iterator1</code> starting at <code>Start</code> and with
  (maximum) <code>Len</code> elements. <code>Start</code> defaults to 1. It is not an error
  for <code>Start+Len</code> to exceed the length of the iterator, in that case
  the whole iterato