class="anchor"></a><code><span><span class="keyword">val</span> rule_of_string : <span>string <span class="arrow">&#45;&gt;</span></span> <a href="#type-rule">rule</a></span></code></div><div class="spec-doc"><p>Deserialize JSON data of type <a href="#type-rule"><code>rule</code></a>.</p></div></div></div></body></html>