11 // std::views::take
41   auto result = input | std::views::take(N);  in test_small_range()
50   // Test that `std::views::take` is a range adaptor.  in test()
54     // Test `view | views::take`  in test()
57 … std::same_as<std::ranges::take_view<SomeView>> decltype(auto) result = view | std::views::take(3);  in test()
63     // Test `adaptor | views::take`  in test()
67       auto const partial = std::views::transform(f) | std::views::take(3);  in test()
76     // Test `views::take | adaptor`  in test()
80       auto const partial = std::views::take(3) | std::views::transform(f);  in test()
92       static_assert(!std::is_invocable_v<decltype(std::views::take)>);  in test()
93       static_assert(!std::is_invocable_v<decltype(std::views::take), NotAView, int>);  in test()
94       static_assert( CanBePiped<SomeView&,   decltype(std::views::take(3))>);  in test()
95       static_assert( CanBePiped<int(&)[10],  decltype(std::views::take(3))>);  in test()
96       static_assert(!CanBePiped<int(&&)[10], decltype(std::views::take(3))>);  in test()
97       static_assert(!CanBePiped<NotAView,    decltype(std::views::take(3))>);  in test()
99       static_assert(!CanBePiped<SomeView&,   decltype(std::views::take(/*n=*/NotAView{}))>);  in test()
104     static_assert(std::same_as<decltype(std::views::take), decltype(std::ranges::views::take)>);  in test()
107   // `views::take(empty_view, n)` returns an `empty_view`.  in test()
110 …unused]] std::same_as<Result> decltype(auto) result = std::views::empty<int> | std::views::take(3);  in test()
113   // `views::take(span, n)` returns a `span`.  in test()
116     std::same_as<decltype(s)> decltype(auto) result = s | std::views::take(3);  in test()
120   // `views::take(span, n)` returns a `span` with a dynamic extent, regardless of the input `span`.  in test()
123 … std::same_as<std::span<int, std::dynamic_extent>> decltype(auto) result = s | std::views::take(3);  in test()
127   // `views::take(string_view, n)` returns a `string_view`.  in test()
131       std::same_as<decltype(sv)> decltype(auto) result = sv | std::views::take(3);  in test()
137       std::same_as<decltype(sv)> decltype(auto) result = sv | std::views::take(3);  in test()
142   // `views::take(subrange, n)` returns a `subrange`.  in test()
146     std::same_as<Result> decltype(auto) result = subrange | std::views::take(3);  in test()
150   // `views::take(subrange, n)` doesn't return a `subrange` if it's not a random access range.  in test()
157     std::same_as<Result> decltype(auto) result = subrange | std::views::take(3);  in test()
161   // `views::take(subrange, n)` returns a `subrange` with all default template arguments.  in test()
166     [[maybe_unused]] std::same_as<Result> decltype(auto) result = subrange | std::views::take(3);  in test()
169   // `views::take(iota_view, n)` returns an `iota_view`.  in test()
174     std::same_as<Result> decltype(auto) result = iota | std::views::take(3);  in test()
179   // `views::take(repeat_view, n)` returns a `repeat_view` when `repeat_view` models `sized_range`.  in test()
183     std::same_as<Result> decltype(auto) result = repeat | std::views::take(3);  in test()
189 …// `views::take(repeat_view, n)` returns a `repeat_view` when `repeat_view` doesn't model `sized_r…  in test()
193     std::same_as<Result> decltype(auto) result = repeat | std::views::take(3);  in test()
207 …// Test that it's possible to call `std::views::take` with any single argument as long as the resu…  in test()
211     [[maybe_unused]] auto partial = std::views::take(X{});  in test()
220     auto tv = std::views::take(std::move(r), 1);  in test()