I might have an array that looks like the following:
[1, 4, 2, 2, 6, 24, 15, 2, 60, 15, 6]
Or, reall
Swift 4
Guaranteed to keep ordering.
extension Array where Element: Equatable { func removingDuplicates() -> Array { return reduce(into: []) { result, element in if !result.contains(element) { result.append(element) } } } }