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Start your free trialDerrick Hoff
9,385 PointsNeed help with protocol extensions
I don't know whats wrong with th?
protocol Calculator {
func square(value: Double) -> Double
}
// Enter your code below
extension Calculator {
func square(value: Double) -> Double {
return value * value
}
}
1 Answer
Jeff McDivitt
23,970 PointsDo nto change anything with the original function, you removed the underscore from both an that is incorrect
protocol Calculator {
func square(_ value: Double) -> Double
}
// Enter your code below
extension Calculator {
func square(_ value: Double) -> Double {
return value * value
}
}