FizzBuzz in C++14

fizzbuzz.cpp

#include <cstddef>
#include <iostream>
#include <string>
#include <utility>

using namespace std;

template <bool div3, bool div5>
struct printer
{
  void operator()(int n)
  {
    cout << to_string(n);
  }
};

template <>
struct printer<true, false>
{
  void operator()(int)
  {
    cout << "Fizz";
  }
};

template <>
struct printer<false, true>
{
  void operator()(int)
  {
    cout << "Buzz";
  }
};

template <>
struct printer<true, true>
{
  void operator()(int)
  {
    printer<true, false>()(0);
    printer<false, true>()(0);
  }
};

template <size_t ...Is>
void fizzbuzz(index_sequence<Is...>)
{
  using I = initializer_list<int>;
  (void) I { (printer<(Is+1) % 3 == 0, (Is+1) % 5 == 0>()(Is+1), cout << endl, 0)... };
}

int main(void)
{
  fizzbuzz(make_index_sequence<100>());
}