 the third,
fourth, and sixth arguments, must be expressions free of parameter
references. The final three arguments must be assignable to types
<code>real</code>, <code>real</code>, and <code>int</code>, respectively.</p>
</div>
<div id="indexes" class="section level3">
<h3 class="unnumbered" number="">Indexes</h3>
<p>Standalone expressions used as indexes must denote either an integer
(<code>int</code>) or an integer array (<code>int[]</code>). Expressions
participating in range indexes (e.g., <code>a</co