bubbleSort.swift

func bubbleSort(inout set: [Int]) -> [Int] {
    for i in 0..<set.count {
        var swapAvailable = false
        for j in 0..<set.count-i-1 {
            if set[j+1] < set[j] {
                let smallest = set[j+1]
                set[j+1] = set[j]
                set[j] = smallest
                swapAvailable = true
            }
        }
        if !swapAvailable { return set }
        swapAvailable = false
    }
    return set
}