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advance.cpp
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C/C++ Source or Header
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1998-02-09
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3KB
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87 lines
#include "stlexam.h"
#pragma hdrstop
/**************************************************************************
*
* advance.cpp - Example program for advancing iterators.
* See Class Reference Section
*
* $Id: advance.cpp,v 1.13 1996/08/28 01:16:19 smithey Exp $
*
***************************************************************************
*
* (c) Copyright 1994, 1995 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.
*
**************************************************************************/
#ifndef _RWSTD_HEADER_REQUIRES_HPP
#include <iterator>
#include <list>
#else
#include <iterator.hpp>
#include <list.hpp>
#endif
#ifdef _RW_STD_IOSTREAM
#include <iostream>
#else
#include <iostream.h>
#endif
int main ()
{
#ifndef _RWSTD_NO_NAMESPACE
using namespace std;
#endif
//
// Initialize a list using an array.
//
int arr[6] = {3,4,5,6,7,8};
list<int,allocator<void> > l(arr+0, arr+6);
//
// Declare a list iterator, s.b. a ForwardIterator.
//
list<int,allocator<void> >::iterator itr = l.begin();
//
// Output the original list.
//
cout << "For the list: ";
copy(l.begin(),l.end(),ostream_iterator<int,char,char_traits<char> >(cout," "));
cout << endl << endl;
cout << "When the iterator is initialized to l.begin(),"
<< endl << "it points to " << *itr << endl << endl;
//
// operator+ is not available for a ForwardIterator, so use advance.
//
advance(itr, 4);
cout << "After advance(itr,4), the iterator points to " << *itr << endl;
return 0;
}