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 <list>
#include <algorithm>
#include <iterator>
#include "print.hpp"
using namespace std;
class IntSequence {
private:
int value;
public:
IntSequence (int initialValue) // constructor
: value(initialValue) {
}
int operator() () { // "function call"
return value++;
}
};
int main()
{
list<int> coll;
// insert values from 1 to 9
generate_n (back_inserter(coll), // start
9, // number of elements
IntSequence(1)); // generates values, starting with 1
PRINT_ELEMENTS(coll);
// replace second to last element but one with values starting at 42
generate (next(coll.begin()), // start
prev(coll.end()), // end
IntSequence(42)); // generates values, starting with 42
PRINT_ELEMENTS(coll);
}