func example(str: String, isAction: Bool = true, action: () -> Void) {
    print("---------\(str), isAction: \(isAction)---------")
    
    if isAction {
        action()
    }
}

func createRandomArray(numberOfElements: Int = 10) -> [Int] {
    var randomIntInArray: [Int] = [Int]()
    while randomIntInArray.count != numberOfElements {
        let popRandomValue = Int(arc4random_uniform(11))
        randomIntInArray.append(popRandomValue)
    }
    return randomIntInArray
}

example(str: "Bubble Sort", isAction: true) {
    func bubbleSort<T: Comparable>(data: [T]) -> [T] {
        guard data.count > 1 else { return data }
        var totalCounter: Int = 0
        var targetData = data
        for i in 0..<(targetData.count-1) {
            for j in 0..<(targetData.count-i-1) {
                if targetData[j] > targetData[j+1] {
                    print("i:\(i), j:\(j), 비교대상: \(data[j]) > \(data[j+1]), 정렬대상: \(data)")
                    // 서로의 Index로 값 스왑∑
                    targetData.swapAt(j, j+1)
                    // Count up
                    totalCounter += 1
                }
            }
        }
        print("총순회 횟수: \(totalCounter), 입력 데이터 길이\(data.count), 결과:\(data)")
        return targetData
    }
    print(bubbleSort(data: createRandomArray(numberOfElements:10)))
}