/* The following code example is taken from the book

* "The C++ Standard Library - A Tutorial and Reference, 2nd Edition"

* by Nicolai M. Josuttis, Addison-Wesley, 2012

*

* (C) Copyright Nicolai M. Josuttis 2012.

* 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 <string>

#include <iostream>

#include <algorithm>

using namespace std;

int main()

{

// create constant string

const string hello("Hello, how are you?");

// initialize string s with all characters of string hello

string s(hello.cbegin(),hello.cend());

// ranged-based for loop that iterates through all the characters

for (char c : s) {

cout << c;

}

cout << endl;

// reverse the order of all characters inside the string

reverse (s.begin(), s.end());

cout << "reverse: " << s << endl;

// sort all characters inside the string

sort (s.begin(), s.end());

cout << "ordered: " << s << endl;

// remove adjacent duplicates

// - unique() reorders and returns new end

// - erase() shrinks accordingly

s.erase (unique(s.begin(),

s.end()),

s.end());

cout << "no duplicates: " << s << endl;

}