// // This file contains the C++ code from Program 4.13 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/pgm04_13.cpp // template ListElement const* LinkedList::Head () const { return head; } template ListElement const* LinkedList::Tail () const { return tail; } template bool LinkedList::IsEmpty () const { return head == 0; }