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iOS Swift 2.0 Enumerations and Optionals Introduction to Optionals Initializing Optional Values

Rohan Thakar
Rohan Thakar
1,579 Points
Posted by Rohan Thakar
Rohan Thakar
1,579 Points

i m unable to do this program. can anyone help me out with the explaination?

i m unable to do this program. can anyone help me out with the explaination? Thanks

optionals.swift 
struct Book {
    let title: String
    let author: String
    let price: String?
    let pubDate: String?

}
Jason Anders
Jason Anders
Treehouse Moderator 145,860 Points
Jason Anders
Jason Anders
Treehouse Moderator 145,860 Points

I don't see any of your code... Could you share what you have tried?

Rohan Thakar
Rohan Thakar
1,579 Points
Rohan Thakar
Rohan Thakar
1,579 Points

actually i did not understand how to work with the failable initializer can you please explain it