load(x)+i</code>.</p><span class="comment-delim">*)</span></td></tr><tr id="type-t.Empty" class="anchored"><td class="def variant constructor"><a href="#type-t.Empty" class="anchor"></a><code><span>| </span><span><span class="constructor">Empty</span></span></code></td><td class="def-doc"><span class="comment-delim">(*</span><p>For pruning <code>vector.length</code> with <code>vector::empty()</code> results, we adopt a specific relation between <code>%r</code> and <code>v-&gt;elements</code>, where <code>%r