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replace.cpp
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C/C++ Source or Header
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1998-02-09
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4KB
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120 lines
#include "stlexam.h"
#pragma hdrstop
/**************************************************************************
*
* replace.cpp - Example program of replace algorithm
* See Class Reference Section
*
* $Id: replace.cpp,v 1.17 1996/08/28 01:18:04 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 <algorithm>
#include <vector>
#include <iterator>
#include <functional>
#else
#include <algorithm.hpp>
#include <vector.hpp>
#include <iterator.hpp>
#include <functional.hpp>
#endif
#ifdef _RW_STD_IOSTREAM
#include <iostream>
#else
#include <iostream.h>
#endif
#ifndef _RWSTD_NO_NAMESPACE
using namespace std;
#endif
template<class Arg>
struct not_zero : public unary_function<Arg, bool>
{
bool operator() (const Arg& a) { return a != 0; }
};
int main ()
{
//
// Initialize a vector with an array of integers.
//
int arr[10] = { 1,2,3,4,5,6,7,8,9,10 };
vector<int,allocator<int> > v(arr+0, arr+10);
//
// Print out original vector.
//
cout << "The original list: " << endl << " ";
copy(v.begin(), v.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
cout << endl << endl;
//
// Replace the number 7 with 11.
//
replace(v.begin(), v.end(), 7, 11);
//
// Print out vector with 7 replaced.
//
cout << "List after replace:" << endl << " ";
copy(v.begin(), v.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
cout << endl << endl;
//
// Replace 1 2 3 with 13 13 13.
//
replace_if(v.begin(), v.begin()+3, not_zero<int>(), 13);
//
// Print out the remaining vector.
//
cout << "List after replace_if:" << endl << " ";
copy(v.begin(), v.end(), ostream_iterator<int,char,char_traits<char> >(cout," "));
cout << endl << endl;
//
// Replace those 13s with 17s on output.
//
cout << "List using replace_copy to cout:" << endl << " ";
replace_copy(v.begin(), v.end(), ostream_iterator<int,char,char_traits<char> >(cout, " "), 13, 17);
cout << endl << endl;
//
// A simple example of replace_copy_if.
//
cout << "List with all elements output as 19s:" << endl << " ";
replace_copy_if(v.begin(), v.end(), ostream_iterator<int,char,char_traits<char> >(cout, " "),
not_zero<int>(), 19);
cout << endl;
return 0;
}