std::span<T,Extent>::back

From cppreference.com
< cpp‎ | container‎ | span
constexpr reference back() const;

Returns a reference to the last element in the span.

Calling back on an empty span results in undefined behavior.

Parameters

(none)

Return value

A reference to the back element.

Complexity

Constant

Notes

For a span c, the expression c.back() is equivalent to *(c.end()-1).

Example

See also

access the first element
(public member function)