std::span::begin, std::span::cbegin

constexpr iterator begin() const noexcept;

constexpr const_iterator cbegin() const noexcept;

Returns an iterator to the first element of the span.

If the span is empty, the returned iterator will be equal to end().

Parameters

(none).

Return value

Iterator to the first element.

Complexity

Constant.

Example

See also