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

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

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C++ Tutorial » vector » vector subscript indexer

16.2.4.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

16.2.vector subscript indexer
	16.2.1.	Use indexer to add elements to a vector
	16.2.2.	Use indexer to reference elements in a vector
	16.2.3.	Loop thourgh all elements in a vector using <
	16.2.4.	Loop through all elements in a vector using operator [] instead of operator *
	16.2.5.	Converting to C-style strings.

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