gs are passed to <code class="code">f</code> is unspecified.
   However, if the table contains several bindings for the same key,
   they are passed to <code class="code">f</code> in reverse order of introduction, that is,
   the most recent binding is passed first.
</p><p>

   If the hash table was created in non-randomized mode, the order
   in which the bindings are enumerated is reproducible between
   successive runs of the program, and even between minor versions
   of OCaml.  For randomized hash tabl