快速排序(quickSort) Golang实现(源码)
    func maxDepth(n int) int {
	var depth int
	for i := n; i > 0; i >>= 1 {
		depth++
	}
	return depth * 2
}
func Sort(data Interface) {
	n := data.Len()
	quickSort(data, 0, n, maxDepth(n))
}
func quickSort(data Interface, a, b, maxDepth int) {
	for b-a > 12 {
		if maxDepth == 0 {
			heapSort(data, a, b)
			return
		}
		maxDepth--
		mlo, mhi := doPivot(data, a, b)
		
		if mlo-a < b-mhi {
			quickSort(data, a, mlo, maxDepth)
			a = mhi 
		} else {
			quickSort(data, mhi, b, maxDepth)
			b = mlo
		}
	}
	if b-a > 1 {
		for i := a + 6; i < b; i++ {
			if data.Less(i, i-6) {
				data.Swap(i, i-6)
			}
		}
		insertionSort(data, a, b)
	}
}
  
  
