38   int arr[] = {1, 2, 3};  in test_iterator_sentinel()  local
40   std::span s{std::begin(arr), std::end(arr)};  in test_iterator_sentinel()
42   assert(s.size() == std::size(arr));  in test_iterator_sentinel()
43   assert(s.data() == std::data(arr));  in test_iterator_sentinel()
46   std::span s{std::begin(arr), 3};  in test_iterator_sentinel()
48   assert(s.size() == std::size(arr));  in test_iterator_sentinel()
49   assert(s.data() == std::data(arr));  in test_iterator_sentinel()
55     int arr[] = {1, 2, 3};  in test_c_array()  local
56     std::span s{arr};  in test_c_array()
58     assert(s.size() == std::size(arr));  in test_c_array()
59     assert(s.data() == std::data(arr));  in test_c_array()
63     const int arr[] = {1,2,3};  in test_c_array()  local
64     std::span s{arr};  in test_c_array()
66     assert(s.size() == std::size(arr));  in test_c_array()
67     assert(s.data() == std::data(arr));  in test_c_array()
73     std::array<double, 4> arr = {1.0, 2.0, 3.0, 4.0};  in test_std_array()  local
74     std::span s{arr};  in test_std_array()
76     assert(s.size() == arr.size());  in test_std_array()
77     assert(s.data() == arr.data());  in test_std_array()
81     const std::array<long, 5> arr = {4, 5, 6, 7, 8};  in test_std_array()  local
82     std::span s{arr};  in test_std_array()
84     assert(s.size() == arr.size());  in test_std_array()
85     assert(s.data() == arr.data());  in test_std_array()