The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference
by Nicolai M. Josuttis, Addison-Wesley, 1999
© Copyright Nicolai M. Josuttis 1999
#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.begin(),hello.end());
// iterate through all of the characters
string::iterator pos;
for (pos = s.begin(); pos != s.end(); ++pos) {
cout << *pos;
}
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;
}