65   _LIBCPP_NO_UNIQUE_ADDRESS _View __base_ = _View();  variable
74     : __func_(std::in_place, std::move(__func)), __base_(std::move(__base)) {}  in transform_view()
77   constexpr _View base() const& requires copy_constructible<_View> { return __base_; }  in base()
79   constexpr _View base() && { return std::move(__base_); }  in base()
83     return __iterator<false>{*this, ranges::begin(__base_)};  in begin()
90     return __iterator<true>(*this, ranges::begin(__base_));  in begin()
95     return __sentinel<false>(ranges::end(__base_));  in end()
101     return __iterator<false>(*this, ranges::end(__base_));  in end()
108     return __sentinel<true>(ranges::end(__base_));  in end()
115     return __iterator<true>(*this, ranges::end(__base_));  in end()
119   constexpr auto size() requires sized_range<_View> { return ranges::size(__base_); }  in size()
121   constexpr auto size() const requires sized_range<const _View> { return ranges::size(__base_); }  in size()