Method CleanupBefore

library/cpp/netliba/v12/paged_pod_buffer.h:57–62

        }

        void CleanupBefore(const T* regionBegin) {
            // We leave elements preceding regionBegin in its page, we just don't want to store 100% garbage pages.
            while (!V.empty() && !(&V.front().front() <= regionBegin && regionBegin <= &V.front().back())) {
                V.pop_front();
            }
        }

        void Clear() {
            V.resize(1);