Go 指针

package main



import "fmt"



func main() {

   var a int = 20   /* actual variable declaration */

   var ip *int      /* pointer variable declaration */



   ip = &a  /* store address of a in pointer variable*/



   fmt.Printf("Address of a variable: %x\n", &a  )



   /* address stored in pointer variable */

   fmt.Printf("Address stored in ip variable: %x\n", ip )



   /* access the value using the pointer */

   fmt.Printf("Value of *ip variable: %d\n", *ip )

}