SOLVED: Access control test question Day 11 STRUCTURES PART TWO

@SwiftlyAnouar

Oct '23

Hello friends,

I am failing to understand why this code is not valid Swift.

struct Doctor {
    var name: String
    var location: String
    private var currentPatient = "No one"
}
let drJones = Doctor(name: "Esther Jones", location: "Bristol")

CurrentPatient is initialized inside the struct, and no one outside of the struct is trying to access it. Am I missing something?

How is it any different than question 4

struct Contributor {
    private var name = "Anonymous"
}
let paul = Contributor()

Thank you

@Zhuri235

Oct '23

Read the whole answer only to understand. Don't think of memorizing in one go. Break the question in parts( as many u wish.. ... Now go through one part and learn it loudly. Now check whether u have learned by hiding the answer. If yes: repeat processes 4 and 5 till u complete the answer.

@roosterboy HWS+

Oct '23

In the first example, you are relying on the compiler-generated memberwise initializer, as you have not supplied an explicit initializer. The compiler will attempt to create a method that initializes all properties. But with a private property in your struct, the compiler cannot generate a memberwise init because it can't access the private property.

If you add something like this then you won't get an error any longer:

init(name: String, location: String) {
    self.name = name
    self.location = location
}

In the second example, you only have a single private property and no non-private properties, so the compiler doesn't even try to create a memberwise init at all and thus doesn't choke and generate an error.

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