9 // <stack>
13 //   stack(Container) -> stack<typename Container::value_type, Container>;
16 //   stack(Container, Allocator) -> stack<typename Container::value_type, Container>;
19 //   stack(from_range_t, R&&) -> stack<ranges::range_value_t<R>>; // since C++23
22 //   stack(from_range_t, R&&, Allocator)
23 //     -> stack<ranges::range_value_t<R>, deque<ranges::range_value_t<R>, Allocator>>; // since C++…
26 #include <stack>
48     std::stack stk(v);  in main()
50     static_assert(std::is_same_v<decltype(stk), std::stack<int, std::vector<int>>>, "");  in main()
57     std::stack stk(l, test_allocator<long>(0,2)); // different allocator  in main()
62 //  I'd like to assert that we've gotten the right allocator in the stack, but  in main()
70 //  std::stack stk(std::allocator<int>()); // stack (allocator &)  in main()
74     std::stack<A> source;  in main()
75     std::stack stk(source); // stack(stack &)  in main()
91         std::stack stk(cont, Alloc(2));  in main()
92         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
97         std::stack stk(cont, ConvertibleToAlloc(2));  in main()
98         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
103         std::stack stk(std::move(cont), Alloc(2));  in main()
104         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
109         std::stack stk(std::move(cont), ConvertibleToAlloc(2));  in main()
110         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
123         std::stack<T, Cont> source;  in main()
124         std::stack stk(source, Alloc(2));  in main()
125         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
129         std::stack<T, Cont> source;  in main()
130         std::stack stk(source, ConvertibleToAlloc(2));  in main()
131         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
135         std::stack<T, Cont> source;  in main()
136         std::stack stk(std::move(source), Alloc(2));  in main()
137         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
141         std::stack<T, Cont> source;  in main()
142         std::stack stk(std::move(source), ConvertibleToAlloc(2));  in main()
143         static_assert(std::is_same_v<decltype(stk), std::stack<T, Cont>>);  in main()
153         std::stack s(a.begin(), a.end());  in main()
154         static_assert(std::is_same_v<decltype(s), std::stack<T>>);  in main()
157         std::stack s(a.begin(), a.end(), Alloc());  in main()
158         static_assert(std::is_same_v<decltype(s), std::stack<T, std::deque<T, Alloc>>>);  in main()
164         std::stack c(std::from_range, std::array<int, 0>());  in main()
165         static_assert(std::is_same_v<decltype(c), std::stack<int>>);  in main()
170         std::stack c(std::from_range, std::array<int, 0>(), Alloc());  in main()
171         static_assert(std::is_same_v<decltype(c), std::stack<int, std::deque<int, Alloc>>>);  in main()
176     ContainerAdaptorDeductionGuidesSfinaeAway<std::stack, std::stack<int>>();  in main()