="#type-symbol">symbol</a> list</span> <span class="arrow">&#45;&gt;</span></span>
  <span>istate:<a href="#type-state">state</a> <span class="arrow">&#45;&gt;</span></span>
  <span>trans:<span><span>(<a href="#type-state">state</a> * <a href="#type-symbol">symbol</a> * <span><a href="#type-state">state</a> list</span>)</span> list</span> <span class="arrow">&#45;&gt;</span></span>
  <span>astates:<span><a href="#type-state">state</a> list</span> <span class="arrow">&#45;&gt;</span></span>
  <a href="#type-