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Start your free trialHerman Kwan
5,062 PointsWhere did the sum come from?
I don't get the part where you did
if case .sum(let x)
Where did the case .sum even come from? And what does the (let x) do?
Brandon Mahoney
iOS Development with Swift Techdegree Graduate 30,149 PointsBrandon Mahoney
iOS Development with Swift Techdegree Graduate 30,149 PointsCan you link to the exercise.