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 !!!")
}