Scoped Enum (enum class)

enum_class.cpp

// item 10 - enum class
#include <iostream>
#include <string>
#include <thread>
#include <array>

template<typename E>
constexpr auto toUType(E enumerator) noexcept {
  return static_cast<std::underlying_type_t<E>>(enumerator);
};

int main (){
  
  using UserInfo = std::tuple<std::string, std::string, std::size_t>;
  enum class UserInfoFields { uiName, uiEmail, uiReputation };

  UserInfo uInfo("Tester", "test@email.com", 190);
  
  auto val = std::get<toUType(UserInfoFields::uiEmail)>(uInfo);
  std::cout << val << std::endl;
  
  return 0;
}