tt>Combine = <a href="#type-combine3">combine3</a>(A, B, C, Out)</tt></li><li><tt>Iterator1 = <a href="#type-iterator">iterator</a>(A)</tt></li><li><tt>Iterator2 = <a href="#type-iterator">iterator</a>(B)</tt></li><li><tt>Iterator3 = <a href="#type-iterator">iterator</a>(C)</tt></li><li><tt>Iterator4 = <a href="#type-iterator">iterator</a>(Out)</tt></li></ul></p>
<p> </p>
</div><p><p>
  Combines the elements of three iterators of equal length into one
  iterator. For each triple <code>X, Y, Z</code> of iter