or1</code>.</td></tr>
<tr><td valign="top"><a href="#dropwhile-2">dropwhile/2</a></td><td>
  Drops elements <code>Elem</code> from <code>Iterator1</code> while <code>Pred(Elem)</code> returns
  true and returns the remaining iterator.</td></tr>
<tr><td valign="top"><a href="#duplicate-2">duplicate/2</a></td><td>
  Returns an iterator containing <code>N</code> copies of term <code>Elem</code>.</td></tr>
<tr><td valign="top"><a href="#enumerate-1">enumerate/1</a></td><td>
  Returns elements of <code>Iterator1