static class FNonMarkedAsList extends FunctionImpl {

  public O process(Object _in) {

    String in = cast _in;

    L<int> m = getFindMarkers2(in);

    new L<S> list;

    for (int i = 0; i < m.size(); i += 2) {

      int from = i == 0 ? 0 : m.get(i-1);

      int to = i == m.size()-1 ? in.length() : m.get(i);

      if (to > from)

        list.add(in.substring(from, to));

    }

    ret list;

  }

  static L<int> getFindMarkers2(String s) {

    L<int> l = new ArrayList<Integer>();

    int i = 0;

    while (i < s.length()) {

      int j = s.indexOf("[[", i);

      if (j < 0) break;

      int k = s.indexOf("]]", j+2);

      if (k < 0) break;

      l.add(j);

      l.add(k+2);

      i = k+2;

    }

    return l;

  }

}