Function PopHeader

src/brpc/details/hpack.cpp:122–133

    }

    void PopHeader() {
        DCHECK(!empty());
        const Header* h = _header_queue.top();
        const size_t entry_size = HeaderSize(*h);
        DCHECK_LE(entry_size, _size);
        const uint64_t id = _add_times - _header_queue.size();
        if (_need_indexes) {
            RemoveHeaderFromIndexes(*h, id);
        }
        _size -= entry_size;
        _header_queue.pop();
    }

    void RemoveHeaderFromIndexes(const Header& h, uint64_t expected_id) {
        if (!h.value.empty()) {