on is complete, <code>Fun</code> should return <code>none</code>.</p>

<h3 class="function"><a name="uniq-1">uniq/1</a></h3>
<div class="spec">
<p><tt>uniq(Iterator1) -&gt; Iterator2</tt>
<ul class="definitions"><li><tt>Iterator1 = <a href="#type-iterator">iterator</a>(Elem)</tt></li><li><tt>Iterator2 = <a href="#type-iterator">iterator</a>(Elem)</tt></li><li><tt>Elem = any()</tt></li></ul></p>
<p> </p>
</div><p><p>  
Returns an iterator containing the elements of Iterator1 with duplicated  
elements remove