 at each
   execution of <code class="code"><span class="constructor">Hashtbl</span>.create</code> or deterministic over all executions.
</p><p>

   A hash table that is created with <code class="code">~random:<span class="keyword">false</span></code> uses a
   fixed hash function (<a href="Hashtbl.html#VALhash"><code class="code"><span class="constructor">Hashtbl</span>.hash</code></a>) to distribute keys among
   buckets.  As a consequence, collisions between keys happen
   deterministically.  In Web-faci