How to use the rotate STL function in Visual C++

   <algorithm>
				

   template<class ForwardIterator> inline
   void rotate(ForwardIterator first,

               ForwardIterator middle,
               ForwardIterator last)
				

////////////////////////////////////////////////////////////////////// 
// 
// Compile options needed: /GX
// 
// rotate.cpp : Illustrates how to use the rotate function.
// 
// Functions:
// 
//    rotate - Rotate the items in a sequence by n positions.
// 
// Written by Kalindi Sanghrajka
// of Microsoft Product Support Services,
// Software Core Developer Support.
// Copyright (c) 1996 Microsoft Corporation. All rights reserved.
////////////////////////////////////////////////////////////////////// 

// disable warning C4786: symbol greater than 255 character,
// okay to ignore

#pragma warning(disable: 4786)

#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <functional>

#if _MSC_VER > 1020   // if VC++ version is > 4.2
   using namespace std;  // std c++ libs implemented in std
   #endif

void main()
{

    const int VECTOR_SIZE = 8 ;

    // Define a template class vector of strings
    typedef vector<string, allocator<string> > StrVector ;

    //Define an iterator for template class vector of strings
    typedef StrVector::iterator StrVectorIt ;

    StrVector Tongue_Twister(VECTOR_SIZE) ;

    StrVectorIt start, end, middle, it ;

    start = Tongue_Twister.begin() ;   // location of first
                                       // element of Tongue_Twister

    end = Tongue_Twister.end() ;       // one past the location last
                                       // element of Tongue_Twister

    //Initialize vector Tongue_Twister
    Tongue_Twister[0] = "she" ;
    Tongue_Twister[1] = "sells" ;
    Tongue_Twister[2] = "sea" ;
    Tongue_Twister[3] = "shells" ;
    Tongue_Twister[4] = "by";
    Tongue_Twister[5] = "the";
    Tongue_Twister[6] = "sea" ;
    Tongue_Twister[7] = "shore" ;

    middle = start + 3 ;  // start position for rotating elements

    cout << "Before calling rotate\n" << endl ;

    // print content of Tongue_Twister
    cout << "Try this Tongue Twister: " ;
    for(it = start; it != end; it++)
        cout << *it << " " ;
    cout << "\n\n" ;

    // rotate the items in the vector Tongue_Twister by 3 positions
    rotate(start, middle, end) ;

    cout << "After calling rotate \n" << endl ;

    // print content of Tongue_Twister
    cout << "Now try the rotated Tongue Twister: " ;
    for(it = start; it != end; it++)
        cout << *it << " " ;
    cout << "\n\n" ;
}