some try on func swap about & and *

import "fmt"func swap(x,y *int )  {   //x ,y = y,x //fault    /*    t := *x   *x = *y   *y = t   */     //true    //*x , *y = *y ,*x //true    //x , y = y , x //fault}func pri(a,b int)  {   fmt.Println(a)   fmt.Println(b)}func main ()  {      var a int = 1   var b int = 2   pri(a,b)   swap(&a,&b)   pri(a,b)}

来源：https://www.cnblogs.com/qiaoyanlin/p/11994538.html