#include "function_input_iterator.hpp"
#include <iostream>
#include <iterator>
#include <boost/ref.hpp>

using namespace std;

struct Test {
  typedef double result_type;
  double operator ()()  { return cnt++; }

  Test() : cnt (0) {}
  int cnt;
};

int main () {
  using namespace boost;

  Test test;

  copy (make_function_input_iterator (test), make_function_input_iterator (test,5), ostream_iterator<double> (cout, " "));
  copy (make_function_input_iterator (test), make_function_input_iterator (test,5), ostream_iterator<double> (cout, " "));
  copy (make_function_input_iterator<Test&> (test), make_function_input_iterator<Test&> (test, 5), ostream_iterator<double> (cout, " "));
  copy (make_function_input_iterator<Test&> (test), make_function_input_iterator<Test&> (test, 5), ostream_iterator<double> (cout, " "));
}