n="true" class="line-numbers-rows"><a href="#C9_L1" id=C9_L1></a><a href="#C9_L2" id=C9_L2></a><a href="#C9_L3" id=C9_L3></a><a href="#C9_L4" id=C9_L4></a><a href="#C9_L5" id=C9_L5></a></span></code></pre>
</section>
<h2 id="toc_what-happens-if-i-forget-to-start-a-run-loop-in-an-async-handler">What happens if I forget to start a run loop in an async handler? <a href="#toc_what-happens-if-i-forget-to-start-a-run-loop-in-an-async-handler"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
        