| 736 | template<typename R> |
| 737 | #endif |
| 738 | [[nodiscard]] constexpr auto operator()(R && r) const |
| 739 | { |
| 740 | using T = detail::remove_cv_ref_t<R>; |
| 741 | if constexpr (detail::is_empty_view<T>) { |
| 742 | #if BOOST_PARSER_DETAIL_TEXT_USE_CONCEPTS |
| 743 | return std::ranges::empty_view<format_to_type_t<Format>>{}; |
| 744 | #else |
| 745 | return 42; // Never gonna happen. |
| 746 | #endif |
| 747 | } else if constexpr (is_utf_view<T>) { |
| 748 | return View(std::forward<R>(r).base()); |
| 749 | } else if constexpr (detail::is_charn_view<T>) { |
| 750 | return View(std::forward<R>(r)); |
| 751 | } else { |
| 752 | return View(detail::unpack_range(std::forward<R>(r))); |
| 753 | } |
| 754 | } |
| 755 | }; |
| 756 | |
| 757 | template<class T> |
nothing calls this directly
no test coverage detected