std::span::rend, std::span::crend

constexpr reverse_iterator rend() const noexcept;

constexpr const_reverse_iterator crend() const noexcept;

Returns a reverse iterator to the element following the last element of the reversed span. It corresponds to the element preceding the first element of the non-reversed span. This element acts as a placeholder, attempting to access it results in undefined behavior.

Parameters

(none).

Return value

Reverse iterator to the element following the last element.

Complexity

Constant.

See also