// // This file contains the C++ code from Program 7.14 of // "Data Structures and Algorithms // with Object-Oriented Design Patterns in C++" // by Bruno R. Preiss. // // Copyright (c) 1998 by Bruno R. Preiss, P.Eng. All rights reserved. // // http://www.pads.uwaterloo.ca/Bruno.Preiss/books/opus4/programs/pgm07_14.cpp // class ListAsLinkedList::Pos : public Position { ListAsLinkedList const& list; ListElement const* element; public: // ... friend class ListAsLinkedList; };