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iOS Swift Functions and Optionals Optionals What is an Optional?

Alex Parkman
PLUS
Alex Parkman
Courses Plus Student 1,659 Points
Posted by Alex Parkman
Alex Parkman
Courses Plus Student 1,659 Points

Help?

I dont understand what i am doing wrong, could someone please advise?

Cheers

search.swift 
func search(#name: String) -> String? {
    let names = ["Doc","Grumpy","Happy","Sleepy","Bashful","Sneezy","Dopey"]
    for n in names {
        if n == name {
            return n
        }
    }
}
if let notFound = n("Snow White") {
println("Found \(notFound)")
}

2 Answers

Mindy Sandilands
Mindy Sandilands
15,743 Points
Mindy Sandilands
Mindy Sandilands
15,743 Points

Since your second if-else loop is outside of your function you need to call the function again not the variable n.

Try this code:

if let notFound = search(name: "Snow White") { println("found") }

else { println("not found") }

Hope this helps!