Loop through all elements in a vector using operator [] instead of operator *

   
 

/* The following code example is taken from the book
 * "The C++ Standard Library - A Tutorial and Reference"
 * by Nicolai M. Josuttis, Addison-Wesley, 1999
 *
 * (C) Copyright Nicolai M. Josuttis 1999.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */
#include <vector>
#include <iostream>
using namespace std;

int main()
{
   vector<int> coll;

   // insert elements from -3 to 9
   for (int i=-3; i<=9; ++i) {
       coll.push_back (i);
   }

   /* print all elements
    * - NOTE: uses operator [] instead of operator *
    */
   for (int i=0; i<coll.size(); ++i) {
       cout << coll.begin()[i] << ' ';
   }
   cout << endl;
}

/* 
-3 -2 -1 0 1 2 3 4 5 6 7 8 9

 */

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Loop through all elements in a vector using operator [] instead of operator * : vector subscript indexer « Vector « C++

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