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iOS Build a Simple iPhone App with Swift Getting Started with iOS Development Swift Recap Part 1

Clayton Carroll
Clayton Carroll
2,075 Points

The system says I need to use String Interpolation to solve this challenge. Can someone explain how this is wrong?

This works fine in playgrounds, I am unclear as to why this will not work in the code challenge. In preview, I receive no error methods. I checked my syntax vs. correct answers and do not see a difference. I tried defining a constant named myTag outside of the firstPost constant to give a String value to tag in the instance of Post but that did not work.

structs.swift
struct Tag {
    let name: String
}

struct Post {
    let title: String
    let author: String
    let tag: Tag

    func description () -> String {
    return "\(title) by \(author).  Filed under \(tag.name)"
}
}

let firstPost = Post(title: "iOS Development", author: "Apple", tag: Tag(name: "Swift"))

let postDescription = firstPost.description()

1 Answer

Luc Bernardin
Luc Bernardin
3,726 Points

The () have to be directly adjacent to description.

Clayton Carroll
Clayton Carroll
2,075 Points

Haha I would make that mistake. Thank you Luc.