Testing if a Decimal is a whole number in Swift

Question

Using Swift 3.

I am finding a lot of strange solutions online for checking if a Decimal object is a whole number. Everything feels far more complicated then it needs

Answer 1

Thanks for the comments! Here is what I am using now.

extension Decimal {
    var isWholeNumber: Bool { 
        return self.isZero || (self.isNormal && self.exponent >= 0) 
    }
}