flutter.dev/flutter/dart-core/Function-class.html">Function</a>
        <span class="name ">handler</span>
        <div class="features"><span class="feature">final</span></div>

      </section>
      
<section class="desc markdown">
  <p>The error handler function.</p>
</section>

      
<section class="summary source-code" id="source">
  <h2><span>Implementation</span></h2>
  <pre class="language-dart"><code class="language-dart">final Function handler;</code></pre>
</section>


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