Insert 'value' into every element but the first : deque subscript indexer « deque « C++ Tutorial






  1. C++ Tutorial
  2. deque
  3. deque subscript indexer
/* 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 <iostream>
#include <deque>
#include <string>
#include <algorithm>
#include <iterator>
using namespace std;

int main()
{
    // create empty deque of strings
    deque<string> coll;

    // insert several elements
    coll.assign (3, string("string"));
    coll.push_back ("last string");
    coll.push_front ("BBB string");
    coll.push_front ("CCC string");
    coll.push_front ("AAA string");

    // print elements separated by newlines
    copy (coll.begin(), coll.end(),ostream_iterator<string>(cout,"\n"));
    cout << endl;

    // insert ''another'' into every element but the first
    for (unsigned i=1; i<coll.size(); ++i) {
        coll[i] = "another " + coll[i];
    }

    // print elements separated by newlines
    copy (coll.begin(), coll.end(),ostream_iterator<string>(cout,"\n"));
    cout << endl;

}

AAA string
CCC string
BBB string
string
string
string
last string

AAA string
another CCC string
another BBB string
another string
another string
another string
another last string




22.11.deque subscript indexer
22.11.1.Use indexer to add elements to a deque
22.11.2.Use subscript operator to modify element at location 1
22.11.3.Use subscript operator to obtain elements of values
22.11.4.Print out a deque, reference its content by index,
22.11.5.Change the values of some of deque's elements
22.11.6.Insert 'value' into every element but the first