71 …std::span<int>    s1{IsAContainer<int>()};          // expected-error {{no matching constructor fo…  in main()
72 …std::span<int, 0> s2{IsAContainer<int>()};          // expected-error {{no matching constructor fo…  in main()
73 …std::span<int>    s3{NotAContainerNoData<int>()};   // expected-error {{no matching constructor fo…  in main()
74 …std::span<int, 0> s4{NotAContainerNoData<int>()};   // expected-error {{no matching constructor fo…  in main()
75 …std::span<int>    s5{NotAContainerNoSize<int>()};   // expected-error {{no matching constructor fo…  in main()
76 …std::span<int, 0> s6{NotAContainerNoSize<int>()};   // expected-error {{no matching constructor fo…  in main()
77 …std::span<int>    s7{NotAContainerPrivate<int>()};  // expected-error {{no matching constructor fo…  in main()
78 …std::span<int, 0> s8{NotAContainerPrivate<int>()};  // expected-error {{no matching constructor fo…  in main()
81 …std::span<int>    s11{std::deque<int>()};           // expected-error {{no matching constructor fo…  in main()
82 …std::span<int, 0> s12{std::deque<int>()};           // expected-error {{no matching constructor fo…  in main()
83 …std::span<int>    s13{std::list<int>()};            // expected-error {{no matching constructor fo…  in main()
84 …std::span<int, 0> s14{std::list<int>()};            // expected-error {{no matching constructor fo…  in main()
85 …std::span<int>    s15{std::forward_list<int>()};    // expected-error {{no matching constructor fo…  in main()
86 …std::span<int, 0> s16{std::forward_list<int>()};    // expected-error {{no matching constructor fo…  in main()
91 …std::span<float>    s1{IsAContainer<int>()};   // expected-error {{no matching constructor for ini…  in main()
92 …std::span<float, 0> s2{IsAContainer<int>()};   // expected-error {{no matching constructor for ini…  in main()
97 …std::span<               int> s1{IsAContainer<const          int>()};   // expected-error {{no mat…  in main()
98 …std::span<               int> s2{IsAContainer<      volatile int>()};   // expected-error {{no mat…  in main()
99 …std::span<               int> s3{IsAContainer<const volatile int>()};   // expected-error {{no mat…  in main()
100 …std::span<const          int> s4{IsAContainer<      volatile int>()};   // expected-error {{no mat…  in main()
101 …std::span<const          int> s5{IsAContainer<const volatile int>()};   // expected-error {{no mat…  in main()
102 …std::span<      volatile int> s6{IsAContainer<const          int>()};   // expected-error {{no mat…  in main()
103 …std::span<      volatile int> s7{IsAContainer<const volatile int>()};   // expected-error {{no mat…  in main()
108 …std::span<               int,1> s1{IsAContainer<const          int>()}; // expected-error {{no mat…  in main()
109 …std::span<               int,1> s2{IsAContainer<      volatile int>()}; // expected-error {{no mat…  in main()
110 …std::span<               int,1> s3{IsAContainer<const volatile int>()}; // expected-error {{no mat…  in main()
111 …std::span<const          int,1> s4{IsAContainer<      volatile int>()}; // expected-error {{no mat…  in main()
112 …std::span<const          int,1> s5{IsAContainer<const volatile int>()}; // expected-error {{no mat…  in main()
113 …std::span<      volatile int,1> s6{IsAContainer<const          int>()}; // expected-error {{no mat…  in main()
114 …std::span<      volatile int,1> s7{IsAContainer<const volatile int>()}; // expected-error {{no mat…  in main()