41       auto it = v.begin();  in test()  local
42       static_assert(std::is_same_v<decltype(it)::iterator_concept, std::forward_iterator_tag>);  in test()
43       static_assert(std::is_same_v<decltype(*(*it).begin()), const char&>);  in test()
48       auto it = cv.begin();  in test()  local
49       static_assert(std::is_same_v<decltype(it)::iterator_concept, std::forward_iterator_tag>);  in test()
50       static_assert(std::is_same_v<decltype(*(*it).begin()), const char&>);  in test()
67       auto it = v.begin();  in test()  local
68       static_assert(std::is_same_v<decltype(it)::iterator_concept, std::forward_iterator_tag>);  in test()
69       static_assert(std::is_same_v<decltype(*(*it).begin()), char&>);  in test()
74       auto it = cv.begin();  in test()  local
75       static_assert(std::is_same_v<decltype(it)::iterator_concept, std::forward_iterator_tag>);  in test()
76       static_assert(std::is_same_v<decltype(*(*it).begin()), const char&>);  in test()
91     auto it = v.begin();  in test()  local
92     static_assert(std::is_same_v<decltype(it)::iterator_concept, std::forward_iterator_tag>);  in test()
93     static_assert(std::is_same_v<decltype(*(*it).begin()), const char&>);  in test()
111       auto it = v.begin();  in test()  local
112       static_assert(std::is_same_v<decltype(it)::iterator_concept, std::forward_iterator_tag>);  in test()
113       static_assert(std::is_same_v<decltype(*(*it).begin()), const char&>);  in test()
118       auto it = cv.begin();  in test()  local
119       static_assert(std::is_same_v<decltype(it)::iterator_concept, std::forward_iterator_tag>);  in test()
120       static_assert(std::is_same_v<decltype(*(*it).begin()), const char&>);  in test()
134     auto it = v.begin();  in test()  local
135     static_assert(std::is_same_v<decltype(it)::iterator_concept, std::input_iterator_tag>);  in test()
136     static_assert(std::is_same_v<decltype(*(*it).begin()), char&>);  in test()