// 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() { var on bool on = !on fmt.Println(on) on = !!on fmt.Println(on) }