Function enum_contains

include/magic_enum/magic_enum.hpp:1426–1431

// Returns true if enum contains value with such value.
template <typename E, detail::enum_subtype S = detail::subtype_v<E>>
[[nodiscard]] constexpr auto enum_contains(E value) noexcept -> detail::enable_if_t<E, bool> {
  using D = std::decay_t<E>;
  using U = underlying_type_t<D>;

  return static_cast<bool>(enum_cast<D, S>(static_cast<U>(value)));
}

// Returns true if enum contains value with such value.
template <detail::enum_subtype S, typename E>