diff options
Diffstat (limited to 'libcxx/include/__algorithm/ranges_lexicographical_compare.h')
| -rw-r--r-- | libcxx/include/__algorithm/ranges_lexicographical_compare.h | 77 |
1 files changed, 40 insertions, 37 deletions
diff --git a/libcxx/include/__algorithm/ranges_lexicographical_compare.h b/libcxx/include/__algorithm/ranges_lexicographical_compare.h index 2972e327169d..5b843dfd7b31 100644 --- a/libcxx/include/__algorithm/ranges_lexicographical_compare.h +++ b/libcxx/include/__algorithm/ranges_lexicographical_compare.h @@ -23,24 +23,24 @@ # pragma GCC system_header #endif -#if _LIBCPP_STD_VER > 17 +#if _LIBCPP_STD_VER >= 20 _LIBCPP_BEGIN_NAMESPACE_STD namespace ranges { namespace __lexicographical_compare { struct __fn { - template <class _Iter1, class _Sent1, class _Iter2, class _Sent2, class _Proj1, class _Proj2, class _Comp> - _LIBCPP_HIDE_FROM_ABI constexpr static - bool __lexicographical_compare_impl(_Iter1 __first1, _Sent1 __last1, - _Iter2 __first2, _Sent2 __last2, - _Comp& __comp, - _Proj1& __proj1, - _Proj2& __proj2) { + _LIBCPP_HIDE_FROM_ABI constexpr static bool __lexicographical_compare_impl( + _Iter1 __first1, + _Sent1 __last1, + _Iter2 __first2, + _Sent2 __last2, + _Comp& __comp, + _Proj1& __proj1, + _Proj2& __proj2) { while (__first2 != __last2) { - if (__first1 == __last1 - || std::invoke(__comp, std::invoke(__proj1, *__first1), std::invoke(__proj2, *__first2))) + if (__first1 == __last1 || std::invoke(__comp, std::invoke(__proj1, *__first1), std::invoke(__proj2, *__first2))) return true; if (std::invoke(__comp, std::invoke(__proj2, *__first2), std::invoke(__proj1, *__first1))) return false; @@ -50,49 +50,52 @@ struct __fn { return false; } - template <input_iterator _Iter1, sentinel_for<_Iter1> _Sent1, - input_iterator _Iter2, sentinel_for<_Iter2> _Sent2, - class _Proj1 = identity, - class _Proj2 = identity, + template <input_iterator _Iter1, + sentinel_for<_Iter1> _Sent1, + input_iterator _Iter2, + sentinel_for<_Iter2> _Sent2, + class _Proj1 = identity, + class _Proj2 = identity, indirect_strict_weak_order<projected<_Iter1, _Proj1>, projected<_Iter2, _Proj2>> _Comp = ranges::less> - _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr - bool operator()(_Iter1 __first1, _Sent1 __last1, - _Iter2 __first2, _Sent2 __last2, - _Comp __comp = {}, - _Proj1 __proj1 = {}, - _Proj2 __proj2 = {}) const { - return __lexicographical_compare_impl(std::move(__first1), std::move(__last1), - std::move(__first2), std::move(__last2), - __comp, - __proj1, - __proj2); + _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool operator()( + _Iter1 __first1, + _Sent1 __last1, + _Iter2 __first2, + _Sent2 __last2, + _Comp __comp = {}, + _Proj1 __proj1 = {}, + _Proj2 __proj2 = {}) const { + return __lexicographical_compare_impl( + std::move(__first1), std::move(__last1), std::move(__first2), std::move(__last2), __comp, __proj1, __proj2); } template <input_range _Range1, input_range _Range2, class _Proj1 = identity, class _Proj2 = identity, - indirect_strict_weak_order<projected<iterator_t<_Range1>, _Proj1>, - projected<iterator_t<_Range2>, _Proj2>> _Comp = ranges::less> - _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr - bool operator()(_Range1&& __range1, _Range2&& __range2, _Comp __comp = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const { - return __lexicographical_compare_impl(ranges::begin(__range1), ranges::end(__range1), - ranges::begin(__range2), ranges::end(__range2), - __comp, - __proj1, - __proj2); + indirect_strict_weak_order<projected<iterator_t<_Range1>, _Proj1>, projected<iterator_t<_Range2>, _Proj2>> + _Comp = ranges::less> + _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr bool operator()( + _Range1&& __range1, _Range2&& __range2, _Comp __comp = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const { + return __lexicographical_compare_impl( + ranges::begin(__range1), + ranges::end(__range1), + ranges::begin(__range2), + ranges::end(__range2), + __comp, + __proj1, + __proj2); } - }; } // namespace __lexicographical_compare inline namespace __cpo { - inline constexpr auto lexicographical_compare = __lexicographical_compare::__fn{}; +inline constexpr auto lexicographical_compare = __lexicographical_compare::__fn{}; } // namespace __cpo } // namespace ranges _LIBCPP_END_NAMESPACE_STD -#endif // _LIBCPP_STD_VER > 17 +#endif // _LIBCPP_STD_VER >= 20 #endif // _LIBCPP___ALGORITHM_RANGES_LEXICOGRAPHICAL_COMPARE_H |
