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Hacking with watchOS Project 8 Code improvement

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@christophomos  

I think it makes more sense to make "title" a computed property to make the UI more reactive and bug-prone, since its value is derived from correctValues:

var title: String {
    if correctValues.isEmpty {
        return "Safe Crack"
    } else {
        return correctValues.joined(separator: ", ")
    }
}

1      

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