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iOS Swift Functions and Optionals Optionals What is an Optional?

William Wright
William Wright
3,435 Points

Optionals challenge 2

s

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
        }
    }
    return nil
}
if let result = search("Doc") {
       println("Found")
}

1 Answer

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

Wow you're close! You're missing a total of one word... seriously. You forgot to tell the call to the function that "Doc" is a name. Take a look at the last little bit here.

if let result = search(name: "Doc") {
  println("Found")
}