692 B
692 B
[range.empty.view]
25 Ranges library [ranges]
25.6 Range factories [range.factories]
25.6.2 Empty view [range.empty]
25.6.2.2 Class template empty_view [range.empty.view]
namespace std::ranges {templaterequires is_object_vclass empty_view : public view_interface<empty_view> {public:static constexpr T* begin() noexcept { return nullptr; }static constexpr T* end() noexcept { return nullptr; }static constexpr T* data() noexcept { return nullptr; }static constexpr size_t size() noexcept { return 0; }static constexpr bool empty() noexcept { return true; }};}