}
		r.err = err
		return m, err
	}
	m.metadata, err = r.mr.ReadBytes(metaDataPoolGet())
	if err == io.EOF {
		err = io.ErrUnexpectedEOF
	}
	if len(m.metadata) == 0 && cap(m.metadata) >= metaDataReadDefault {
		metaDataPoolPut(m.metadata)
		m.metadata = nil
	}
	r.err = err
	return m, err
}

// next will read one entry from the stream.
// Generally not recommended for fast operation.