Quiz · Errors · lesson 2 of 7

Quiz — throw

Question 1 of 2

What does the program print (lines separated by spaces)?

SWIFT

enum TextError: Error { case empty }
func letters(in text: String) throws -> Int {
    if text.isEmpty { throw TextError.empty }
    return text.count
}
do {
    print(try letters(in: "ab"))
    print(try letters(in: ""))
    print("end")
} catch {
    print("error")
}