a href="#val-cardinal" class="anchor"></a><code><span class="keyword">val</span> cardinal : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> int</code></dt><dt class="spec value" id="val-bindings"><a href="#val-bindings" class="anchor"></a><code><span class="keyword">val</span> bindings : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <span><span>(<a href="index.html#type-key">key</a> * <a href="index.html#type-value">value</a>)</span> list</span></code></dt><dt class="spec value" id="val-