50 lines
666 B
Go
50 lines
666 B
Go
package main
|
|
|
|
import "fmt"
|
|
|
|
func swap(x, y *int) {
|
|
*x, *y = *y, *x
|
|
/*
|
|
tmp := *x
|
|
*x = *y
|
|
*y = tmp
|
|
*/
|
|
}
|
|
|
|
func rotate(ptrs ...*int) {
|
|
if len(ptrs) == 0 {
|
|
return
|
|
}
|
|
tmp := *ptrs[0]
|
|
for i := 1; i < len(ptrs); i++ {
|
|
*ptrs[i-1] = *ptrs[i]
|
|
}
|
|
*ptrs[len(ptrs)-1] = tmp
|
|
}
|
|
|
|
func main() {
|
|
x := 1
|
|
y := 2
|
|
swap(&x, &y)
|
|
fmt.Println("x =", x)
|
|
fmt.Println("y =", y)
|
|
|
|
a := 1
|
|
b := 2
|
|
c := 3
|
|
rotate(&a, &b, &c)
|
|
fmt.Println("a =", a)
|
|
fmt.Println("b =", b)
|
|
fmt.Println("c =", c)
|
|
|
|
rotate(&a, &b, &c)
|
|
fmt.Println("a =", a)
|
|
fmt.Println("b =", b)
|
|
fmt.Println("c =", c)
|
|
|
|
rotate(&a, &b, &c)
|
|
fmt.Println("a =", a)
|
|
fmt.Println("b =", b)
|
|
fmt.Println("c =", c)
|
|
}
|