continuing up to the end of the
  iterator.</td></tr>
<tr><td valign="top"><a href="#partition-2">partition/2</a></td><td>
  Partitions <code>Iterator1</code> into two iterators, where the first iterator
  contains all elements for which <code>Pred(Elem)</code> returns <code>true</code>, and
  the second iterator contains all elements for which <code>Pred(Elem)</code>
  returns <code>false</code>.</td></tr>
<tr><td valign="top"><a href="#prefix-2">prefix/2</a></td><td>
  Returns <code>true</code> if <code>I