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iOS Object-Oriented Swift 2.0 Complex Data Structures Adding Instance Methods

Posted by Yao Liu
Yao Liu
1,733 Points

What is wrong this time

This was my previous thread https://teamtreehouse.com/community/why-does-this-code-return-that-i-didnt-add-an-instance-method Now, it returns this, even though it clearly does exist.

Bummer! Make sure you're adding an instance method named getFullName() to the struct definition

structs.swift 
struct Person {
    let firstName: String
    let lastName: String
    func getFullName () -> String{
    return "\(firstName) \(lastName)";
    }
}
let aPerson = Person(firstName : "Yao", lastName : "Liu");
let fullName = aPerson.getFullName;

3 Answers

Jennifer Nordell
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STAFF
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Jennifer Nordell
Treehouse Teacher
Jennifer Nordell
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Jennifer Nordell
Treehouse Teacher

Hi there! This time it's just a couple of tiny errors. You have an extra space between the name of the function and the parentheses that is causing the challenge to fail. Also on step 2 you will need parentheses to call the method on the instance of the Person object. So you will need:

let fullName = aPerson.getFullName();

And change this:

func getFullName () -> String{

To this:

func getFullName() -> String{

Hope this helps! :sparkles:

Alexander Davison
Alexander Davison
65,469 Points

Nice one! Didn't know you can't have a space before the parentheses :)

Jennifer Nordell
seal-mask
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher
Jennifer Nordell
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher

I think you actually can in Swift, but it does cause it to fail in step 1 of the challenge. I'm not on my Mac right this second so I can't confirm :smiley:

Yao Liu
Yao Liu
1,733 Points

thanks. its those little things that people spend hours looking for in bugged code. ¬_¬

Alexander Davison
Alexander Davison
65,469 Points
Alexander Davison
Alexander Davison
65,469 Points

You forgot parentheses after aPerson.getFullName :)

Try this instead:

struct Person {
    let firstName: String
    let lastName: String
    func getFullName () -> String{
        return "\(firstName) \(lastName)";
    }
}

let aPerson = Person(firstName : "Yao", lastName : "Liu");

# Over here, I added () after aPerson.getFullname
let fullName = aPerson.getFullName();

Good luck! ~alex

EDIT: Like what Jennifer Nordell said, you must also get rid of the extra space before () -> String

Aananya Vyas
Aananya Vyas
20,157 Points
Aananya Vyas
Aananya Vyas
20,157 Points 
struct Person {
    let firstName: String
    let lastName: String
//here we need a function called fullName() explicitly acc to the code challenge
///returns full name 
    func fullName() -> String{
        return "\(firstName) \(lastName)"
    }
}

let aPerson = Person(firstName : "anan", lastName : "vy")
//the constant can be named anything coz it is unspecified
let getfullName = aPerson.fullName()```