func (bd *BSONDump) Debug() error {
	stream, err := bd.init()
	if err != nil {
		return err
	}

	defer stream.Close()

	reusableBuf := make([]byte, db.MaxBSONSize)
	var result bson.Raw
	for {
		hasDoc, docSize := stream.LoadNextInto(reusableBuf)
		if !hasDoc {
			break
		}
		result.Kind = reusableBuf[0]
		result.Data = reusableBuf[0:docSize]
		err = DebugBSON(result, 0, os.Stdout)
		if err != nil {
			return err
		}
	}
	if err := stream.Err(); err != nil {
		return err
	}
	return nil
}