////   This file contains the C++ code from Program 8.17 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/pgm08_17.cpp//class OpenScatterTable : public HashTable{    class Entry    {    public:	enum State { empty, occupied, deleted };	State state;	Object* object;	Entry ();    };    Array<Entry> array;    unsigned int C (unsigned int) const;    unsigned int FindMatch (Object const&) const;    unsigned int FindInstance (Object const&) const;    unsigned int FindUnoccupied (Object const&) const;public:    OpenScatterTable (unsigned int);    // ...};