</strong>: Apply rule directly to input
- <strong>No Grammar Modification</strong>: Rule exists only for this execution
- <strong>Immediate Results</strong>: Get parsed data immediately
- <strong>Type Safety</strong>: Maintains Grapa's type system</p>
<p><strong>Advanced Example - Complex Log Parsing:</strong>
<div class="highlight"><pre><span></span><code>/* Define helper rules for complex parsing */
catch_sq_bracket_rule = rule (&#39;[&#39;) &lt;&gt; (&#39;]&#39;) {@&lt;lit,{$2}&gt;};
id_list_rule = rule 