26 lines
445 B
Go
26 lines
445 B
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
)
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
fmt.Println("pointers stores memory address of a value")
|
||
|
|
fmt.Println("zero value of pointers are nil")
|
||
|
|
fmt.Println("The & operand return memory of a value")
|
||
|
|
i := 42
|
||
|
|
p := &i
|
||
|
|
|
||
|
|
fmt.Printf("%T, %v \n", *p, *p)
|
||
|
|
fmt.Printf("%T, %v \n\n", p, p)
|
||
|
|
fmt.Print(p)
|
||
|
|
fmt.Printf("\n")
|
||
|
|
fmt.Print(*p)
|
||
|
|
fmt.Printf("\n")
|
||
|
|
|
||
|
|
*p = 21
|
||
|
|
fmt.Println(i)
|
||
|
|
|
||
|
|
fmt.Println("Unlike C, Go has no pointer arithmetic !!!")
|
||
|
|
}
|