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 Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#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;
}