@Override
    public Object set(Object list, int index, Object element) {
      List l = (List) list;
      for(int i=l.size(); i < index+1; ++i) {
        l.add(null);
      }
      l.set(index, element);
      return list;
    }
Destructively make this object link to other's values.
@param other the value to point to
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcStruct.java