typed/buffer.go
func (w *WriteBuffer) WriteSingleByte(n byte) {
	if w.err != nil {
		return
	}

	if len(w.remaining) == 0 {
		w.setErr(ErrBufferFull)
		return
	}

	w.remaining[0] = n
	w.remaining = w.remaining[1:]
}
func (w *WriteBuffer) WriteSingleByte(n byte) {
	if w.err != nil {
		return
	}

	if len(w.remaining) == 0 {
		w.setErr(ErrBufferFull)
		return
	}

	w.remaining[0] = n
	w.remaining = w.remaining[1:]
}
// WriteSingleByte writes a single byte to the buffer