package main
import "fmt"
func main() {
i, j := 42, 2701
p := &i // point to i
fmt.Println(*p) // read i through the pointer
*p = 21 // set i through the pointer
fmt.Println(i) // see the new value of i
p = &j // point to j
*p = *p / 37 // divide j through the pointer
fmt.Println(j) // see the new value of j
}
package main
import "fmt"
func zeroval(ival int) {
ival = 0
}
func zeroptr(iptr *int) {
*iptr = 0
}
func main() {
i := 1
fmt.Println("initial:", i)
zeroval(i)
fmt.Println("zeroval:", i)
zeroptr(&i)
fmt.Println("zeroptr:", i)
fmt.Println("pointer:", &i)
}
