Go交换切片内两个索引对应的值

package main

import "fmt"



func swap(s []int, i, j int) {
	s[i], s[j] = s[j], s[i]
}

func main() {
	demo := []int{1, 3, 5, 7, 9, 8, 2}

	swap(demo, 1, 3)
	fmt.Println(demo)
}

运行结果：

[1 7 5 3 9 8 2]