class="odoc-spec"><div class="spec type" id="type-value" class="anchored"><a href="#type-value" class="anchor"></a><code><span><span class="keyword">type</span> value</span></code></div></div><div class="odoc-spec"><div class="spec type" id="type-t" class="anchored"><a href="#type-t" class="anchor"></a><code><span><span class="keyword">type</span> t</span></code></div></div><div class="odoc-spec"><div class="spec value" id="val-empty" class="anchored"><a href="#val-empty" class="anchor"></a><code><span><spa