27 struct Range {  struct
29   friend constexpr int* begin(Range const& range) { return globalBuff + range.start; }  in begin()  argument
30   friend constexpr int* end(Range const&) { return globalBuff + 8; }  in end()
31   friend constexpr int* begin(Range& range) { return globalBuff + range.start; }  in begin()
32   friend constexpr int* end(Range&) { return globalBuff + 8; }  in end()  argument
40 static_assert( ValidRefView<Range>);
45 …sert(std::derived_from<std::ranges::ref_view<Range>, std::ranges::view_interface<std::ranges::ref_…
48   operator Range& ();
52   operator Range&& ();
55 static_assert( std::is_constructible_v<std::ranges::ref_view<Range>, Range&>);
56 static_assert( std::is_constructible_v<std::ranges::ref_view<Range>, RangeConvertible>);
57 static_assert(!std::is_constructible_v<std::ranges::ref_view<Range>, RValueRangeConvertible>);
60   operator Range& () const;
61   operator Range&& () const;
63 static_assert( std::is_convertible_v<RangeConvertible, std::ranges::ref_view<Range>>);
64 static_assert(!std::is_convertible_v<RValueRangeConvertible, std::ranges::ref_view<Range>>);
65 static_assert(!std::is_convertible_v<ConstConvertibleToLValueAndRValue, std::ranges::ref_view<Range…
110 static_assert(std::same_as<decltype(std::ranges::ref_view(std::declval<Range&>())),
111               std::ranges::ref_view<Range>>);
116     Range range;  in test()
117     std::ranges::ref_view<Range> view{range};  in test()
119     view.base() = Range{2};  in test()
125     Range range1;  in test()
126     std::ranges::ref_view<Range> view1 = range1;  in test()
144     Range range1;  in test()
145     std::ranges::ref_view<Range> view1 = range1;  in test()
163     Range range{8};  in test()
164     std::ranges::ref_view<Range> view1 = range;  in test()
177     Range range1{8};  in test()
178     std::ranges::ref_view<Range> view1 = range1;  in test()
181     Range range2{2};  in test()
182     std::ranges::ref_view<Range> view2 = range2;  in test()
190     Range range1;  in test()
191     std::ranges::ref_view<Range> view1 = range1;  in test()
194     Range range2{2};  in test()
195     std::ranges::ref_view<Range> view2 = range2;  in test()