Method DoUndo

util/stream/buffer.cpp:23–26

    }

    inline void DoUndo(size_t len) {
        Y_ABORT_UNLESS(len <= Data_.Size(), "trying to undo more bytes than actually written");
        Data_.Resize(Data_.size() - len);
    }

    inline void DoWrite(const void* buf, size_t len) {
        Data_.Append((const char*)buf, len);