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libcxx/include/__ranges/reverse_view.h
| Show First 20 Lines • Show All 58 Lines • ▼ Show 20 Lines | public: | ||||
| _LIBCPP_HIDE_FROM_ABI | _LIBCPP_HIDE_FROM_ABI | ||||
| constexpr reverse_iterator<iterator_t<_View>> begin() { | constexpr reverse_iterator<iterator_t<_View>> begin() { | ||||
| if constexpr (_UseCache) | if constexpr (_UseCache) | ||||
| if (__cached_begin_.__has_value()) | if (__cached_begin_.__has_value()) | ||||
| return *__cached_begin_; | return *__cached_begin_; | ||||
| auto __tmp = _VSTD::make_reverse_iterator(ranges::next(ranges::begin(__base_), ranges::end(__base_))); | auto __tmp = _VSTD::make_reverse_iterator(ranges::next(ranges::begin(__base_), ranges::end(__base_))); | ||||
| if constexpr (_UseCache) | if constexpr (_UseCache) | ||||
| __cached_begin_.__set(__tmp); | __cached_begin_.__emplace(__tmp); | ||||
| return __tmp; | return __tmp; | ||||
| } | } | ||||
| _LIBCPP_HIDE_FROM_ABI | _LIBCPP_HIDE_FROM_ABI | ||||
| constexpr reverse_iterator<iterator_t<_View>> begin() requires common_range<_View> { | constexpr reverse_iterator<iterator_t<_View>> begin() requires common_range<_View> { | ||||
| return _VSTD::make_reverse_iterator(ranges::end(__base_)); | return _VSTD::make_reverse_iterator(ranges::end(__base_)); | ||||
| } | } | ||||
| Show All 38 Lines | |||||