TheEyesightDim/enum underlying type.cpp

## enum underlying type.cpp
//this function converts any member of enum of any underlying type to that type.
//Effective Modern C++ by Scott Meyers. See item 10
template <typename E>
constexpr auto to_underlying(E e) noexcept
{
    return static_cast<std::underlying_type_t<E>>(e);
}
	//this function converts any member of enum of any underlying type to that type.
	//Effective Modern C++ by Scott Meyers. See item 10
	template <typename E>
	constexpr auto to_underlying(E e) noexcept
	{
	return static_cast<std::underlying_type_t<E>>(e);
	}