#include "variadic_templates.h"
#include <iostream>

template <typename T> void my_recursive_printf(T value) {
  std::cout << value << std::endl;
}

template <typename T, typename... Ts>
void my_recursive_printf(T value, Ts... args) {
  std::cout << value;
  my_recursive_printf(args...);
}

template <typename T, typename... Ts>
void my_expanded_printf(T value, Ts... args) {
  std::cout << value;

  if constexpr (sizeof...(args) > 0) {
    my_expanded_printf(args...);
  } else {
    std::cout << std::endl;
  }
}

template <typename... T> auto sum(T... t) { return (t + ...); }

void VariadicTemplates::run() {
  std::cout << "my_recursive_printf(1, 2, \"3\", 4.5, \"hello\"): ";
  my_recursive_printf(1, 2, "3", 4.5, "hello");

  std::cout << "my_expanded_printf(1, 2, \"3\", 4.5, \"hello\"): ";
  my_expanded_printf(1, 2, "3", 4.5, "hello");

  std::cout << "sum(1, 2, 3, 4, 5, 6, 7): " << sum(1, 2, 3, 4, 5, 6, 7)
            << std::endl;
}