Remove the duplicate values in an array iOS swift

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 Problem:

I had an array that contains duplicate values.How do i remove the duplicate values?

Solution:

extension Array where Element: Equatable {

    func removingDuplicates() -> Array {

        return reduce(into: []) { result, element in

            if !result.contains(element) {

                result.append(element)

            }

        }

    }

}

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