constexpr const_reference operator[](size_type index) const noexcept;
constexpr reference operator[](size_type index) noexcept;

Returns the number a reference to the element at the index specified.

Reference to the requested element.

Constant.

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

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

Output:

The second element is 1