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iOS Swift Functions and Optionals Parameters and Tuples Tuples

Posted by John Cotton
John Cotton
10,936 Points

I'm able to return a tuple and in Xcode I can see it return the correct value. But I'm unable to go to the next step.

my tuple constant is greetingLanguage. it contains two strings, and even though I can return the tuple it still will not let me continue to the next step. Perhaps it is just my mistake. Thanks for your time!

tuples.swift 
func greeting(person: String) -> (String, String) {
    let language = "English"
    let greeting = "Hello \(person)"
    let greetingLanguage =  (String:greeting, String:language)
    return greetingLanguage
}

1 Answer

ianhan3
ianhan3
4,263 Points

Task 1: Modify the greeting function to return both the greeting and language as a tuple. Remember to return inside the function (the "return") and in the declaration (after the "->")

func greeting(person: String) -> (greeting: String, language: String) {
    let language = "English"
    let greeting = "Hello \(person)"

    return (greeting, language)
}

Task 2: Create a variable named result and assign it to greeting. Pass the string "Tom" to greeting.

var result = greeting("Tom")

Task 3: Use the print function, print the value of the language element from the result tuple. This is just using dot notation to access the value.

println(result.language)
John Cotton
John Cotton
10,936 Points

Thanks! I was getting my types switched around.