90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
|
#include "stlexam.h"
|
||
|
#pragma hdrstop
|
||
|
/**************************************************************************
|
||
|
*
|
||
|
* binders.cpp - Example program for binder1st & binder2nd.
|
||
|
* 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 <functional>
|
||
|
#include <algorithm>
|
||
|
#include <vector>
|
||
|
|
||
|
#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[4] = {1,2,3,4};
|
||
|
//
|
||
|
// Set up a vector.
|
||
|
//
|
||
|
vector<int,allocator<int> > v1(d1+0, d1+4);
|
||
|
//
|
||
|
// Create an 'equal to 3' unary predicate by binding 3 to
|
||
|
// the equal_to binary predicate.
|
||
|
//
|
||
|
binder1st<equal_to<int> > equal_to_3 = bind1st(equal_to<int>(),3);
|
||
|
//
|
||
|
// Now use this new predicate in a call to find_if.
|
||
|
//
|
||
|
iterator it1 = find_if(v1.begin(),v1.end(),equal_to_3);
|
||
|
//
|
||
|
// Even better, construct the new predicate on the fly.
|
||
|
//
|
||
|
iterator it2 = find_if(v1.begin(),v1.end(),bind1st(equal_to<int>(),3));
|
||
|
//
|
||
|
// And now the same thing using bind2nd.
|
||
|
// Same result since == is commutative.
|
||
|
//
|
||
|
iterator it3 = find_if(v1.begin(),v1.end(),bind2nd(equal_to<int>(),3));
|
||
|
//
|
||
|
// Output results.
|
||
|
//
|
||
|
cout << *it1 << " " << *it2 << " " << *it3 << endl;
|
||
|
|
||
|
return 0;
|
||
|
}
|