176     typedef _ListIterator<T, NON_CONST_ITERATOR> iterator;  typedef
194     inline iterator begin() {   in begin()
195         return iterator(mpMiddle->getNext());   in begin()
200     inline iterator end() {   in end()
201         return iterator(mpMiddle);   in end()
212     iterator insert(iterator posn, const T& val)   in insert()
219         return iterator(newNode);  in insert()
223     void insert(iterator posn, const_iterator first, const_iterator last) {  in insert()
229     iterator erase(iterator posn) {  in erase()
235         return iterator(pNext);  in erase()
239     iterator erase(iterator first, iterator last) {  in erase()
242         return iterator(last);  in erase()
318     iterator firstDst = begin();
319     iterator lastDst = end();