Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Protocols in Swift Creating Flexible Objects Using Protocols Protocol Inheritance

Protocols in Swift

protocol Animal { var numberOfLegs:Int { get } }

protocol Pet: Animal { var cuddlyName:String { get } }

struct Dog: Pet { var cuddlyName: String var numberOfLegs: Int }

protocols.swift
protocol Animal {
    var numberOfLegs:Int { get }
}

protocol Pet: Animal {
    var cuddlyName:String { get }
}

struct Dog: Pet {
    var cuddlyName: String 
    var numberOfLegs: Int 
}

Can anyone tell me where iam i going wrong

1 Answer

Jeff McDivitt
Jeff McDivitt
23,970 Points

Looks to be a spacing issue, see below :)

protocol Animal {
    var numberOfLegs: Int { get }
}

protocol Pet: Animal {
    var cuddlyName: String { get }
}

struct Dog: Pet {
    var cuddlyName: String 
    var numberOfLegs: Int 
}