check if any property in an object is nil - Swift 3

Question

Im using Swift 3

Wondering whether any method is available to check if all the properties in an object has value / nil

Eg:

class Vehicle {
v         


        

Answer 1

If you have a lot of fields, you can use this approach:

struct S {
    let x: String?
    let y: Int
    let z: Bool

    func hasNilField() -> Bool {
        return ([x, y, z] as [Any?]).contains(where: { $0 == nil})
    }
}