arrow">&#45;&gt;</span></span> string</span></code></div></div></details></div><div class="odoc-spec"><div class="spec value anchored" id="val-epsilon"><a href="#val-epsilon" class="anchor"></a><code><span><span class="keyword">val</span> epsilon : <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>The empty symbol</p></div></div></div></body></html>