find_end.cpp

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#include "stlexam.h"
#pragma hdrstop
/**************************************************************************
 *
 * find_end.cpp - Example program for finding a subsequence. 
 *                See Class Reference Section
 *
 ***************************************************************************
 *
 * (c) Copyright 1994, 1998 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 <vector>
#include <algorithm>
#include <functional>

#ifdef _RW_STD_IOSTREAM
#include <iostream>
#else
#include <iostream.h>
#endif     

int main()
{
#ifndef _RWSTD_NO_NAMESPACE
   using namespace std;
#endif


   typedef vector<int,allocator<int> >::iterator iterator;
   int d1[10] = {0,1,6,5,3,2,2,6,5,7};
   int d2[4] = {6,5,0,0};
   //
   // Set up two vectors.
   //
   vector<int,allocator<int> > v1(d1+0, d1+10), v2(d2+0, d2+2);
   //
   // Try both find_first_of variants.
   //
   iterator it1 = find_first_of(v1.begin(), v1.end(), v2.begin(), v2.end()); 

   iterator it2 = find_first_of(v1.begin(), v1.end(), v2.begin(), v2.end(), equal_to<int>());

   //
   // Try both find_end variants.
   //
   iterator it3 = find_end(v1.begin(), v1.end(), v2.begin(), v2.end()); 

   iterator it4 = find_end(v1.begin(), v1.end(), v2.begin(), v2.end(), equal_to<int>());
   //
   // Output results of find_first_of.
   // Iterator now points to the first element that matches one of a set of values 
   //
   if (it3 == it4 && it1 == it2)
   {
     cout << "For the vectors: ";
     copy(v1.begin(),v1.end(), 
          ostream_iterator<int,char,char_traits<char> >(cout," " ));
     cout << " and ";
     copy(v2.begin(),v2.end(), 
          ostream_iterator<int,char,char_traits<char> >(cout," " ));
     cout << endl << endl
          << "both versions of find_first_of point to: " << *it1 << endl;
     //
     // Output results of find_end.
     // Iterator now points to the first element of the last find subsequence.
     //  
     cout << endl << endl
          << "both versions of find_end point to: " << *it3 << endl;
   }

   return 0;
}