htbl.html#VALcreate"><code class="code"><span class="constructor">Hashtbl</span>.create</code></a> returns randomized
    hash tables, unless the <code class="code">~random:<span class="keyword">false</span></code> optional parameter is given.
    The same effect can be achieved by setting the <code class="code"><span class="constructor">R</span></code> parameter in
    the <code class="code"><span class="constructor">OCAMLRUNPARAM</span></code> environment variable.
<p>

    It is recommended that applicat