Method pop

uspace/lib/cpp/include/__bits/adt/stack.hpp:126–129

            }

            void pop()
            {
                c.pop_back();
            }

            void swap(stack& other) // We cannot use c in the noexcept :/
                noexcept(noexcept(declval<container_type>().swap(declval<container_type&>())))