95     wchar_t stack_string[] = L"Hello";  variable
98         cwstring_span<> v = ensure_z(stack_string);
103         cwstring_span<> v = stack_string;
108         wstring_span<> v = ensure_z(stack_string);
113         wstring_span<> v = stack_string;
129     char stack_string[] = "Hello";  variable
130     string_span<> v = ensure_z(stack_string);
138     char stack_string[] = "Hello";  variable
139     cstring_span<> v = ensure_z(stack_string);
153     char stack_string[] = "Hello";  variable
154     cstring_span<> v = ensure_z(stack_string);
167     char stack_string[] = "Hello";  variable
168     cstring_span<> v = ensure_z(stack_string);