/*
 * This example is from the Tools.h++ manual, version 7
 *
 * (c) Copyright 1989 - 1996 Rogue Wave Software, Inc.
 * ALL RIGHTS RESERVED
 *
 * The software and information contained herein are proprietary to, and
 * comprise valuable trade secrets of, Rogue Wave Software, Inc., which
 * intends to preserve as trade secrets such software and information.
 * This software is furnished 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 software and information or any other copies thereof may
 * not be provided or otherwise made available to any other person.
 *
 * Notwithstanding any other lease or license that may pertain to, or
 * accompany the delivery of, this computer software and information, the
 * rights of the Government regarding its use, reproduction and disclosure
 * are as set forth in Section 52.227-19 of the FARS Computer
 * Software-Restricted Rights clause.
 * 
 * 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.
 * Contractor/Manufacturer is Rogue Wave Software, Inc.,
 * P.O. Box 2328, Corvallis, Oregon 97339.
 *
 * This computer software and information is distributed with "restricted
 * rights."  Use, duplication or disclosure is subject to restrictions as
 * set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
 * Computer Software-Restricted Rights (April 1985)."  If the Clause at
 * 18-52.227-74 "Rights in Data General" is specified in the contract,
 * then the "Alternate III" clause applies.
 */
#include <rw/tvhasht.h>
#include <rw/cstring.h>
#include <iostream.h>

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

#ifdef RW_NO_STL
#error  This example is for users with access to the C++ Standard Library
#else

main(){

  RWTValHashMultiSet<RWCString,silly_hash,equal_to<RWCString> > set1;
  RWTValHashMultiSet<RWCString,silly_hash,equal_to<RWCString> > set2;

  set1.insert("one");
  set1.insert("two");
  set1.insert("three");
  set1.insert("one");     // OK: duplicates allowed
  set1.insert("one");

  cout << set1.entries() << endl;  // Prints "5"

  set2.insert("one");
  set2.insert("five");
  set2.insert("one");

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

  set2.intersection(set1);
  set1.clear();

  cout << set1.entries() << endl;    // Prints "0"
  cout << set2.entries() << endl;    // Prints "2"

  return 0;
}

#endif  //#ifdef RW_NO_STL

