Code snippet from github.com/appliedgo/tui: main

tui4main.go

func main() {
	if len(os.Args) <= 1 {
		log.Println("Usage: go run tui.go [termui|gocui]")
		return
	}
	if os.Args[1] == "termui" {
		runTermui()
		return
	}
	if os.Args[1] == "gocui" {
		runGocui()
		return
	}
	log.Println("No such option:", os.Args[0])
}