package main import ( "flag" "fmt" "os" ) func main(){ fmt.Println("Configuration values:") fmt.Println("api url: ", api()) fmt.Println("player command: ", player()) fmt.Println("player options: ", options()) fmt.Println("maximum menu items: ", maxitems()) argCount := len(os.Args[1:]) var ( name string country string state string tags string ) flag.StringVar(&name, "n", "", "Station name (or identifier).") flag.StringVar(&country, "c", "", "Home country.") flag.StringVar(&state, "s", "", "Home state (if in the United States).") flag.StringVar(&tags, "t", "", "Tag (or comma-separated tag list)") flag.Parse() if argCount == 0 { flag.Usage() } }