//: C14:Useful.h
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
// A class to reuse
#ifndef USEFUL_H
#define USEFUL_H

class X
{

int i;

public:

X() { i = 0; }
void set(int ii) { i = ii; }
int read() const { return i; }
int permute() { return i = i * 47; }

};
#endif // USEFUL_H ///:~