// 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

// there's no warning for package-level vars
var packageLevelVar string

func main() {
	// unused variable error
	// var speed int

	// if you use it, the error will be gone
	// fmt.Println(speed)
}