// // This file contains the C++ code from Program 7.4 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_04.cpp // bool ListAsArray::IsMember (Object const& object) const { for (unsigned int i = 0; i < count; ++i) if (array [i] == &object) return true; return false; } Object& ListAsArray::Find (Object const& object) const { for (unsigned int i = 0; i < count; ++i) if (*array [i] == object) return *array [i]; return NullObject::Instance (); }