// For more tutorials: https://blog.learngoprogramming.com
//
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//

package main

import "fmt"

func main() {
	// Let's create a variable using the empty interface type.
	var any interface{}

	// The variable can accept any type of value.
	any = []int{1, 2, 3}
	any = map[int]bool{1: true, 2: false}
	any = "hello"
	any = 3

	// You can't multiply the last number.
	// Reason: `any` is an `interface{}`, it's not a number.
	// any = any * 2
	// any = int(any) * 2

	any = any.(int) * 2
	fmt.Println(any)
}