= <a href="#type-combine">combine</a>(X, Y, Out)</tt></li><li><tt>Iterator1 = <a href="#type-iterator">iterator</a>(X)</tt></li><li><tt>Iterator2 = <a href="#type-iterator">iterator</a>(Y)</tt></li><li><tt>Iterator3 = <a href="#type-iterator">iterator</a>(Out)</tt></li></ul></p>
<p> </p>
</div><p><p>
  Combines the elements of two iterators of equal length into one iterator.
  For each pair <code>X, Y</code> of iterator elements from the two iterators, the element
  in the result iterator is <code>Combine(X