Function enum_count

include/magic_enum/magic_enum.hpp:1214–1216

// Returns number of enum values.
template <typename E, detail::enum_subtype S = detail::subtype_v<E>>
[[nodiscard]] constexpr auto enum_count() noexcept -> detail::enable_if_t<E, std::size_t> {
  return detail::count_v<std::decay_t<E>, S>;
}

// Returns enum value at specified index.
// No bounds checking is performed: the behavior is undefined if index >= number of enum values.