e-predicate">predicate</a>(Elem)</tt></li><li><tt>Iterator1 = <a href="#type-iterator">iterator</a>(Elem)</tt></li><li><tt>Iterator2 = <a href="#type-iterator">iterator</a>(Elem)</tt></li></ul></p>
<p> </p>
</div><p>
  Drops elements <code>Elem</code> from <code>Iterator1</code> while <code>Pred(Elem)</code> returns
  true and returns the remaining iterator.</p>

<h3 class="function"><a name="duplicate-2">duplicate/2</a></h3>
<div class="spec">
<p><tt>duplicate(N, Elem) -&gt; Iterator</tt>
<ul class="defini