Range over promise.All about promise HOT 2 CLOSED

	for _, artist := range artists.([]*structs.ArtistResponse) {
		doSomethingWith(artist)
	}

type Artist struct {
	Name string
}

func getArtist(name string) *promise.Promise {
	return promise.Resolve(Artist{Name: name})
}

func doSomethingWith(artist Artist) {
	fmt.Println(artist.Name)
}

func main() {
	artists, _ := promise.All(
		getArtist("aaa"),
		getArtist("bbb"),
		getArtist("ccc"),
	).Await()

	for _, a := range artists.([]interface{}) {
		doSomethingWith(a.(Artist))
	}
}