pan></code><code> = </code><table class="variant"><tr id="type-t.([])" class="anchored"><td class="def constructor"><a href="#type-t.([])" class="anchor"></a><code>| </code><code><span class="constructor">([])</span></code></td></tr><tr id="type-t.(::)" class="anchored"><td class="def constructor"><a href="#type-t.(::)" class="anchor"></a><code>| </code><code><span class="constructor">(::)</span> <span class="keyword">of</span> <span class="type-var">'a</span> * <span><span class="type-var">'a</span> list</