/Swift/Swift find difference between two arrays

Swift find difference between two arrays

extension Array where Element: Hashable {
    func difference(from other: [Element]) -> [Element] {
        let thisSet = Set(self)
        let otherSet = Set(other)
        return Array(thisSet.symmetricDifference(otherSet))
    }
}

Source: hackingwithswift.com

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