constexpr const_reference back() const noexcept;
constexpr reference back() noexcept;

Returns the last element of the container. Calling back on an empty container is undefined.

(none)

Reference to the last element.

Constant.

The element returned is the last element that has been pushed.

#include <haz/SharedQueue.hpp>
#include <iostream>

int main() {
    haz::SharedQueue<int, 10> queue{ 0, 1, 2 };
    std::cout << "The last element is " << queue.back() << '\n';
}

Output:

The last element is 2