func sort.swapRange

4 uses

	sort (current package)
		zsortinterface.go#L329: func swapRange(data Interface, a, b, n int) {
		zsortinterface.go#L470: 			swapRange(data, m-i, m, j)
		zsortinterface.go#L473: 			swapRange(data, m-i, m+j-i, i)
		zsortinterface.go#L478: 	swapRange(data, m-i, m, i)