341         cur_pos(nullptr),  in PeekMemchunks()
349         cur_pos{std::exchange(other.cur_pos, nullptr)},
361     cur_pos = std::exchange(other.cur_pos, nullptr);
386       cur_pos = cur->pos;  in remove()
392     if (cur_pos == cur_last) {  in remove()
401       auto n = std::min(last - first, cur_last - cur_pos);  in remove()
403       first = std::copy_n(cur_pos, n, first);  in remove()
404       cur_pos += n;  in remove()
410       assert(cur_pos == cur_last);  in remove()
415       cur_pos = cur->pos;  in remove()
434     cur_pos = cur_last = nullptr;  in disable_peek()
440     cur_pos = cur_last = nullptr;  in reset()
448   uint8_t *cur_pos, *cur_last;  member