/*
 * This example is from the Tools.h++ manual, version 7
 *
 * Copyright (c) 1989-1999 Rogue Wave Software, Inc.  All Rights Reserved.
 *
 * This computer software is owned by Rogue Wave Software, Inc. and is
 * protected by U.S. copyright laws and other laws and by international
 * treaties.  This computer software is furnished by Rogue Wave Software,
 * Inc. pursuant to a written license agreement and may be used, copied,
 * transmitted, and stored only in accordance with the terms of such
 * license and with the inclusion of the above copyright notice.  This
 * computer software or any other copies thereof may not be provided or
 * otherwise made available to any other person.
 *
 * U.S. Government Restricted Rights.  This computer software is provided
 * with Restricted Rights.  Use, duplication, or disclosure by the
 * Government is subject to restrictions as set forth in subparagraph (c)
 * (1) (ii) of The Rights in Technical Data and Computer Software clause
 * at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
 * Commercial Computer Software – Restricted Rights at 48 CFR 52.227-19,
 * as applicable.  Manufacturer is Rogue Wave Software, Inc., 5500
 * Flatiron Parkway, Boulder, Colorado 80301 USA.
 */

#include <rw/tphset.h>
#include <rw/cstring.h>
#include <iostream.h>
#include <stdcomp.h>

#ifndef RWSTD_NO_NAMESPACE
   using namespace std;
#endif

struct silly_hash{
   unsigned long operator()(RWCString x) const
   { return x.length() * (long)x(0); }
};

main(){
RWTPtrHashSet<RWCString,silly_hash,equal_to<RWCString> > set1;
RWTPtrHashSet<RWCString,silly_hash,equal_to<RWCString> > set2;

 set1.insert(new RWCString("one"));
 set1.insert(new RWCString("two"));
 set1.insert(new RWCString("three"));
 set1.insert(new RWCString("one")); // Duplicate insertion rejected

 cout << set1.entries() << endl;   // Prints "3"

 set2 = set1;
 cout << ((set1.isEquivalent(set2)) ? "TRUE" : "FALSE") << endl;
 // Prints "TRUE"

 set2.difference(set1);

 set1.clearAndDestroy();
 cout << set1.entries() << endl;    // Prints "0"
 cout << set2.entries() << endl;    // Prints "0"

 return 0;
}