11 // template<range R>
26 struct Range {  struct
28   friend constexpr int* begin(Range const& range) { return globalBuff + range.start; }  in begin()  argument
29   friend constexpr int* end(Range const&) { return globalBuff + 8; }  in end()
30   friend constexpr int* begin(Range& range) { return globalBuff + range.start; }  in begin()  argument
31   friend constexpr int* end(Range&) { return globalBuff + 8; }  in end()  argument
39 static_assert( ValidRefView<Range>);
44 …sert(std::derived_from<std::ranges::ref_view<Range>, std::ranges::view_interface<std::ranges::ref_…
47   operator Range& ();
51   operator Range&& ();
54 static_assert( std::is_constructible_v<std::ranges::ref_view<Range>, Range&>);
55 static_assert( std::is_constructible_v<std::ranges::ref_view<Range>, RangeConvertible>);
56 static_assert(!std::is_constructible_v<std::ranges::ref_view<Range>, RValueRangeConvertible>);
59   operator Range& () const;
60   operator Range&& () const;
62 static_assert( std::is_convertible_v<RangeConvertible, std::ranges::ref_view<Range>>);
63 static_assert(!std::is_convertible_v<RValueRangeConvertible, std::ranges::ref_view<Range>>);
64 static_assert(!std::is_convertible_v<ConstConvertibleToLValueAndRValue, std::ranges::ref_view<Range…
109 static_assert(std::same_as<decltype(std::ranges::ref_view(std::declval<Range&>())),
110               std::ranges::ref_view<Range>>);
115     Range range;  in test()  local
116     std::ranges::ref_view<Range> view{range};  in test()
118     view.base() = Range{2};  in test()
124     Range range1;  in test()
125     std::ranges::ref_view<Range> view1 = range1;  in test()
143     Range range1;  in test()
144     std::ranges::ref_view<Range> view1 = range1;  in test()
162     Range range{8};  in test()  local
163     std::ranges::ref_view<Range> view1 = range;  in test()
176     Range range1{8};  in test()
177     std::ranges::ref_view<Range> view1 = range1;  in test()
180     Range range2{2};  in test()
181     std::ranges::ref_view<Range> view2 = range2;  in test()
189     Range range1;  in test()
190     std::ranges::ref_view<Range> view1 = range1;  in test()
193     Range range2{2};  in test()
194     std::ranges::ref_view<Range> view2 = range2;  in test()