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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_18p84opdnedck69qfm59b1vuca, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
sclass Flattener {
  new L out;
  
  *() {}
  *(O... l) { add(l); }
  
  void add(O o) {
    ifdef Flattener_debug
    print("add " + className(o));
    endifdef
         if (o cast O[])      for (x : o) add(x);
    else if (o cast Iterable) for (x : o) add(x);
    else if (o != null) out.add(o);
  }
  
  void add(O... l) { add((O) l); }
  
  L toList() { ret out; }
  O[] toArray() { ret toObjectArray(out); }
}