重点在&
func jiaohuan(inout a: Int,inout b: Int)
{
let temp = a
a = b
b = temp
}
var aa =
var a1 =
jiaohuan(&aa,b: &a1)
print("\(aa),\(a1)")
2023-08-22 12:59:58
重点在&
func jiaohuan(inout a: Int,inout b: Int)
{
let temp = a
a = b
b = temp
}
var aa =
var a1 =
jiaohuan(&aa,b: &a1)
print("\(aa),\(a1)")