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 <iostream>
#include <algorithm>
#include <iterator>
#include <string>
using namespace std;
int main()
{
copy (istream_iterator<string>(cin), // beginning of source
istream_iterator<string>(), // end of source
ostream_iterator<string>(cout,"\n")); // destination
}