</code> computes
   <code class="code">f&nbsp;a.(0)&nbsp;(f&nbsp;a.(1)&nbsp;(&nbsp;...&nbsp;(f&nbsp;a.(n-1)&nbsp;x)&nbsp;...))</code>,
   where <code class="code">n</code> is the length of the array <code class="code">a</code>.</p>
</div>
</div>
<h2 id="1_Iteratorsontwoarrays">Iterators on two arrays</h2>
<pre><span id="VALiter2"><span class="keyword">val</span> iter2</span> : <code class="type">('a -&gt; 'b -&gt; unit) -&gt; 'a array -&gt; 'b array -&gt; unit</code></pre><div class="info ">
<div class="inf