24 Containers library [containers]

24.7 Views [views]

24.7.2 Contiguous access [views.contiguous]

24.7.2.2 Class template span [views.span]

24.7.2.2.5 Observers [span.obs]

🔗
constexpr size_type size() const noexcept;
1
#
Effects: Equivalent to: return size_;
🔗
constexpr size_type size_bytes() const noexcept;
2
#
Effects: Equivalent to: return size() * sizeof(element_type);
🔗
[[nodiscard]] constexpr bool empty() const noexcept;
3
#
Effects: Equivalent to: return size() == 0;