unUnaryGuarded-param-argument"><span class="type-annotation">T</span> <span class="parameter-name">argument</span></span>)
      
    </section>
    <section class="desc markdown">
      <p>Executes the given <code>action</code> with <code>argument</code> in this zone and
catches synchronous errors.</p>
<p>See <a href="dart-async/Zone/runGuarded.html">runGuarded</a>.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="lan