ror from one error zone to another
by re-throwing it in the new zone. If <code>onError</code> throws, that error will
occur in the original zone where <a href="dart-async/runZoned.html">runZoned</a> was called.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">R runZoned&lt;R&gt;(R body(),
    {Map zoneValues,
    ZoneSpecification zoneSpecification,
    @Deprecated(&quot;Use r