an> <span class="arrow">&#45;&gt;</span></span> <span><a href="../../SpanRule/index.html#type-state">SpanRule.state</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="../../Typ/index.html#type-span">Typ.span</a> option</span></span></code></div><div class="spec-doc"><p>Try to apply a rule. The first parameter is the (recursive) function that parses a string as a span list.</p></div></div></div></body></html>
