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iOS Swift Functions and Optionals Optionals What is an Optional?

Posted by azumi yuan
azumi yuan
3,126 Points

task 2 of 2 optionals

Can someone please help me with this question

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

Steve Hunter
Steve Hunter
57,712 Points

You need to add the parameter identifier:

if let result = search (name: "Doc") {   // <-- I added 'name:' in here
  println ( "Found")
}

I hope that helps!

Steve.

azumi yuan
azumi yuan
3,126 Points

thank you very much steve!!

Steve Hunter
Steve Hunter
57,712 Points

No problem!

Steve.