ed">
  <dt><pre><span class="Keyword">macro</span> <a href="#tryOrFallBack.m%2Cuntyped%2Cuntyped"><span class="Identifier">tryOrFallBack</span></a><span class="Other">(</span><span class="Identifier">cmd</span><span class="Other">:</span> <span class="Identifier">untyped</span><span class="Other">;</span> <span class="Identifier">body</span><span class="Other">:</span> <span class="Identifier">untyped</span><span class="Other">)</span></pre></dt>
  <dd>
    
    Command is only valid if await(<tt class="doc