code: func (wr *Writer) Write(p []byte) (n int, err error) {
  	wr.bf.Write(p)
  	if bytes.HasSuffix(p, []byte(wr.lastElement)) {
  		return wr.writer.Write([]byte(Format(wr.bf.String()) + "\n"))
  	}
  	return 0, nil
  }
docs: // Write writes the parameter.