Swift Recap Part 1

Question

what am I doing wrong?

structs.swift

struct Tag {
  let name: String
}
struct Post {
  let title: String
  let author: String
  let tag: Tag
  func description() -> String {
    let describe = "\(title) by \(author). Filed under \(tag)"
    return describe
  }
}

let firstPost = Post(title: "Harry Potter", author: "J.K. Rowling", tag: Tag(name: "sam"))
let postDescription = Post.description(firstPost)

Answer 1 · 2018-01-27T14:37:45Z

January 27, 2018 2:37pm

Hi Sam -

There are a few things incorrect with your code

struct Tag {
    let name: String
}

struct Post {

    var title: String
    var author: String
    var tag: Tag

    func description() -> String {

//You do not need to have a constant here, just a return also you need .name added to tag to adhere to the struct

        return "\(title) by \(author). Filed under \(tag.name)"

    }

}

let firstPost = Post(title: "The Hero", author: "Jeff McDivitt", tag: Tag(name: "One"))

//You have things a little backwards here, just break it down like calling a normal function and I believe you will see the issue
let postDescription = firstPost.description()

Hope this helps!! Happy Coding :)

Answer 2 · 2018-02-01T13:47:23Z

February 1, 2018 1:47pm

I think Jeff explained it nicely, I just don't agree creating the constant for the return object is incorrect. The main issue is that description() does not take any argument, and also it is not a static function, so it can't be called on the Type itself. but you are calling it with argument on the type: Post.description(firstPost).

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Sam Belcher

Sam Belcher

Swift Recap Part 1

2 Answers

Jeff McDivitt

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Ali C

Ali C