 <code class="type">'a <a href="Js_list.html#TYPEt">t</a> -> 'a option</code></pre>
<pre><span id="VALtl"><span class="keyword">val</span> tl</span> : <code class="type">'a <a href="Js_list.html#TYPEt">t</a> -> 'a <a href="Js_list.html#TYPEt">t</a> option</code></pre>
<pre><span id="VALnth"><span class="keyword">val</span> nth</span> : <code class="type">'a <a href="Js_list.html#TYPEt">t</a> -> int -> 'a option</code></pre>
<pre><span id="VALrevAppend"><span class="keyword">val</span> revAppend</span> : <co