////   This file contains the C++ code from Program 8.19 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_19.cpp//unsigned int OpenScatterTable::C (unsigned int i) const    { return i; }unsigned int OpenScatterTable::FindUnoccupied (    Object const& object) const{    unsigned int const hash = H (object);    for (unsigned int i = 0; i < count + 1; ++i)    {	unsigned int const probe = (hash + C (i)) % length;	if (array [probe].state != Entry::occupied)	    return probe;    }    return length;}void OpenScatterTable::Insert (Object& object){    if (count == length)	throw domain_error ("scatter table is full");    unsigned int const offset = FindUnoccupied (object);    array [offset].state = Entry::occupied;    array [offset].object = &object;    ++count;}