pointers.go

package main

import "fmt"

func main() {
	a := 10
	b := &a // &a is the reference of a
	c := a
	fmt.Println(a, b, *b, c) // *b means the value this reference is pointing to (dereference the value)
	// 10 0xc0000160a0 10 10

	a = 20
	fmt.Println(a, b, *b, c)

	*b = 30
	fmt.Println(a, b, *b, c)
	// 30 0xc0000160a0 30 10

	c = 40
	fmt.Println(a, b, *b, c)
}