"mdzsyn-coresym">var</span> <span class="mdzsyn-symbol">b-flag-set</span> <span class="mdzsyn-constant">false</span>)
  (<span class="mdzsyn-coresym">when</span> <span class="mdzsyn-symbol">flags</span>
    (<span class="mdzsyn-coresym">set</span> <span class="mdzsyn-symbol">u-flag-set</span> (<span class="mdzsyn-coresym">string/check-set</span> <span class="mdzsyn-symbol">flags</span> <span class="mdzsyn-keyword">:u</span>))
    (<span class="mdzsyn-coresym">set</span> <span class="mdzsyn-symbol">b-flag-se