Method Pull

chapter10/listing02/listing02.go:41–54

Pull knows how to pull data out of Xenia.

(d *Data)

// Pull knows how to pull data out of Xenia.
func (Xenia) Pull(d *Data) error {
	switch rand.Intn(10) {
	case 1, 9:
		return io.EOF

	case 5:
		return errors.New("Error reading data from Xenia")

	default:
		d.Line = "Data"
		fmt.Println("In:", d.Line)
		return nil
	}
}

// Pillar is a system we need to store data into.
type Pillar struct{}