/span> <span class="xref-unresolved">Base</span>.Hashtbl.t</span>;</span></code></td></tr><tr id="type-t.max_id" class="anchored"><td class="def record field"><a href="#type-t.max_id" class="anchor"></a><code><span>max_id : <span><span class="xref-unresolved">Base</span>.int <span class="xref-unresolved">Base</span>.ref</span>;</span></code></td></tr></table><code><span>}</span></code></div><div class="spec-doc"><p>An environment for names associated to ids.</p></div></div><div class="odoc-spec"><div class=