nt the first 10 pings, but timeout and throw an error before :done</span>
(<span class="mdzsyn-coresym">try</span>
  (<span class="mdzsyn-coresym">let</span> [<span class="mdzsyn-symbol">t</span> (<span class="mdzsyn-coresym">thread/new</span> <span class="mdzsyn-symbol">worker</span>)]
    (<span class="mdzsyn-coresym">for</span> <span class="mdzsyn-symbol">i</span> <span class="mdzsyn-number">0</span> <span class="mdzsyn-number">11</span>
      (<span class="mdzsyn-coresym">print</span> <span class="mdzsy