ator">iterator</a>(Elem)</tt></li></ul></p>
<p> </p>
</div><p><p>
  Drops the last element of a <code>Iterator1</code>. The <code>Iterator1</code> is to be
  non-empty, otherwise the function crashes with a <code>function_clause</code>.</p>
 
  Evaluates one element further in the iterator than the current
  value.</p>

<h3 class="function"><a name="dropwhile-2">dropwhile/2</a></h3>
<div class="spec">
<p><tt>dropwhile(Pred, Iterator1) -&gt; Iterator2</tt>
<ul class="definitions"><li><tt>Pred = <a href="#typ