Method equal_range

include/magic_enum/magic_enum_containers.hpp:1047–1047

  }

  [[nodiscard]] constexpr std::pair<const_iterator, const_iterator> equal_range(const key_type& key) const noexcept { return {lower_bound(key), upper_bound(key)}; }

  template <typename K, typename KC = key_compare>
  [[nodiscard]] constexpr std::enable_if_t<detail::is_transparent_v<KC>, std::pair<const_iterator, const_iterator>> equal_range(const K& x) const noexcept {