QuickSort created by gazolla - https://repl.it/IkKD/0

QuickSort.swift

func quickSort<T:Comparable>(_ list:[T])->[T]{
  if list.count == 0 {
    return []
  }
  let pivot = list[list.count/2]
  let equal = list.filter{ $0 == pivot }
  let less = list.filter{ $0 < pivot }
  let greater = list.filter{ $0 > pivot }
  return quickSort(less) + equal + quickSort(greater)
}

let numbers = [4,3,2,1,5,6,7,8]
let ordered = quickSort(numbers)

let names=["john", "zack", "tim", "adam", "bill", "peter"]
let orderedNames = quickSort(names)