Method push

real_decoder.go:367–388

stacks

(in pushDecoder)

// stacks

func (rd *realDecoder) push(in pushDecoder) error {
	in.saveOffset(rd.off)

	var reserve int
	if dpd, ok := in.(dynamicPushDecoder); ok {
		if err := dpd.decode(rd); err != nil {
			return err
		}
	} else {
		reserve = in.reserveLength()
		if rd.remaining() < reserve {
			rd.off = len(rd.raw)
			return ErrInsufficientData
		}
	}

	rd.stack = append(rd.stack, in)

	rd.off += reserve

	return nil
}

func (rd *realDecoder) pop() error {
	// this is go's ugly pop pattern (the inverse of append)