How to convert swift-struct object name using swift-string

Question

I have a struct name called Car. Car has two attributes(noOfTyres, ownerName).

struct Car {
    var noOfTyres: Int
    var ownerName: String
}

The string value is let objStr = "Car/ownerName"

how to convert the objStr to swiftObject like Car.ownerName?

swift isn't to strong when it comes to reflection so you need to do this manually. Like parsing this string and using a switch but it is actually unclear what your end goal is here. How exactly do you want to use Car.ownerName? — Joakim Danielson
– Joakim Danielson, Commented Feb 22, 2022 at 9:29
Struct Car should be struct Car. There is no object like Car.ownerName, ownerName is not a static var of Car. This looks like the same school assignment as @Larme duplicate comment. — workingdog support Ukraine
– workingdog support Ukraine, Commented Feb 22, 2022 at 10:04

workingdog support Ukraine · Accepted Answer · 2022-02-23 06:19:18Z

1

you could try something like this:

let str = "Car/ownerName"
let obj = Car.toObj(str)
print("---> obj: \(obj)")   // --> optional "xxxx"

struct Car {
    var noOfTyres: Int
    static var ownerName: String = "xxxx"
    
    static func toObj(_ str: String) -> String? {
        if str.prefix(4) == "Car/" && str.dropFirst(4) == "ownerName" {
            return Car.ownerName  // <-- here
        } else {
            return nil
        }
    }
}

edited Feb 23, 2022 at 6:19

answered Feb 22, 2022 at 10:43

workingdog support Ukraine

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Comments

prifiyia nunes · Accepted Answer · 2022-02-22 09:29:39Z

-2

You can create struct object by below code:

struct Car {
    var noOfTyres: Int
    var ownerName: String
}
class Demo {
    func createStructObject() {
        var structData = [Car]()
        structData.append(Car(noOfTyres: 2, ownerName: "Innova"))
        let name = structData[0].ownerName
        print(name)
    }
}

answered Feb 22, 2022 at 9:29

prifiyia nunes

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2 Comments

Joakim Danielson Over a year ago

How is this relevant to the question being asked?

Community Over a year ago

As it’s currently written, your answer is unclear. Please edit to add additional details that will help others understand how this addresses the question asked. You can find more information on how to write good answers in the help center.

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