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Quick Sort in Swift 3
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| func quickSort<T: Comparable>(array: [T]) -> [T] { | |
| guard !array.isEmpty else { return [] } | |
| let pivot = array.first! | |
| let arrayLessThanOrEqualToPivot = array.dropFirst().filter { $0 <= pivot } | |
| let arrayGreaterThanOrEqualToPivot = array.dropFirst().filter { $0 > pivot } | |
| return quickSort(arrayLessThanOrEqualToPivot) + [Int(pivot)] + quickSort(arrayGreaterThanOrEqualToPivot) | |
| } |
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