Function use

ServerEditorWeb/ace/worker-javascript.js:6491–6501

(v)

      return l !== 0;
    }
    function use(v) {
      var l = _current.variables.filter(function (elt) {
        if (elt.value === v && !elt.undef) {
          if (elt.unused === true) {
            elt.unused = false;
          }
          return v;
        }
      }).length;
      return (l === 0);
    }
    return {stack: function () {
          _current = new CompArray();
          _carrays.push(_current);