eads in Janet do not share a memory heap and must communicate via message
passing. Use <code class="mendoza-code">thread/send</code> to send a message to a thread, and
<code class="mendoza-code">thread/receive</code> to get messages sent to the current thread.
</p>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">defn</span> <span class="mdzsyn-symbol">worker</span>
  [<span class="mdzsyn-symbol">parent</span>]
  (<span class="mdzsyn-coresym">print</span> <span class=