r"></a><code><span><span class="keyword">type</span> some</span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-t"><a href="#type-t" class="anchor"></a><code><span><span class="keyword">type</span> <span>(_, _) t</span></span><span> = </span></code><ol><li id="type-t.GNone" class="def variant constructor anchored"><a href="#type-t.GNone" class="anchor"></a><code><span>| </span><span><span class="constructor">GNone</span> : <span><span>(<a href="#type-none">none</a>, <span 