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
Ryan Kavanaugh
114 PointsHow to initialize a struct value being used inside of another struct?
struct Tag { let name: String }
struct Post { let title: String let author: String let tag: Tag }
let firstPost = Post( title: "hi", author: "hi", tag: "hi")
When I try to run this knowledge check quiz question I keep getting an error with the very last piece of code on "tag: "hi")". It seems like I do not know the syntax for creating an instance of struct Post, which is what this question is asking for.
struct Tag {
let name: String
}
struct Post {
let title: String
let author: String
let tag: Tag
}
let firstPost = Post( title: "hi", author: "hi", tag: "hi")
2 Answers
andren
28,558 PointsYou initialize it in the same way you initialize a struct in other situations. In your code you are initializing the Post struct by providing values for all its variables, you have to do the exact same thing when you want to assign a Tag instance to the tag variable. Like this:
struct Tag {
let name: String
}
struct Post {
let title: String
let author: String
let tag: Tag
}
let firstPost = Post( title: "hi", author: "hi", tag: Tag(name: "hi"))
Brandon Adams
10,325 PointsBecause you are putting a String where the tag needs to go. You are initializing tag with "hi". You need to initialize tag with Tag(name: "hi")