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Start your free trialvivek d
iOS Development Techdegree Student 1,596 Pointshow to solve this?
can anyone explain, please
protocol Animal {
var numberOfLegs: Int { get }
}
protocol Pet : Animal {
var cuddlyName: String { get }
}
struct Dog {
var cuddlyName : String
}
1 Answer
Matthew Long
28,407 PointsYou're off to a good start. You need to make the Dog
struct conform to Pet
using :
. Once you do that you simply give Dog
the properties of both the Pet
and Animal
protocols. Don't forget that by conforming to Pet
, Dog
will also conform to Animal
so it needs cuddlyName
and numberOfLegs
.
protocol Animal {
var numberOfLegs: Int { get }
}
protocol Pet: Animal {
var cuddlyName: String { get }
}
struct Dog: Pet {
var numberOfLegs: Int
var cuddlyName: String
}
Hopefully I explained that in a way that made sense.