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import Foundation
struct StarCollector {
private(set) var stars = 0
mutating func collect() {
stars += 1
showStars()
}
mutating func remove() {
guard stars > 0 else {
print("No stars available")
return
}
stars -= 1
showStars()
}
func showStars() {
print("Stars: \(stars)")
}
}
var collector = StarCollector()
collector.showStars()
collector.collect()
collector.collect()
collector.remove()Coding works best on desktop or with an external keyboard.