
      
    <span class="nv">action = </span><span class="nf">(token, i) -&gt;</span>
      <span class="nx">@tokens</span><span class="p">[</span><span class="k">if</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">&#39;OUTDENT&#39;</span> <span class="k">then</span> <span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span> <span class="k">else</span> <span class="nx">i</span><span clas