]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
  <dd>
    
    
    <a href="https://github.com/planetis-m/sync/tree/master/sync/once.nim#L69" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.c