Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

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 
}