////   This file contains the C++ code from Program 15.21 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/pgm15_21.cpp//class RadixSorter : public DistributionSorter<unsigned int>{protected:    static unsigned int const r;    static unsigned int const R;    static unsigned int const p;    Array<unsigned int> count;    void DoSort (Array<unsigned int>&);public:    RadixSorter () : count (R) {}};