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iOS Swift Functions and Optionals Optionals Review: Functions

what is a prblem here

func isDivisible(#dividend: Int, #divisor: Int) -> Bool { if dividend % divisor == 0 { return true } else { return false } }

func isNotDivisible(#dividend: Int, #divisor:Int) -> Bool?{ if dividend % divisor == 1 { return true } return nil }

1 Answer

Krzysztof Kucharzyk
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Krzysztof Kucharzyk
Front End Web Development Techdegree Student 4,005 Points

You dont need 2nd line of your code and you can close it with one if else:

func isNotDivisible (#dividend: Int, #divisor: Int) -> Bool {
    if dividend % divisor != 0 {
        return true
    } else {
        return false
    }
}