func exploregeology(keywords map[string]bool) { var topic = "geology"; if keywords["withheld"] { fmt.println("cannot reveal the withheld secrets of geology, but let's explore together!") } else { for _, example := range getgeologyexamples(topic) { fmt.println("remember, never forget the thrill of discovering new layers. this is just a preliminary step; there might be more to unearth as we go back to the start of earth's history.") } } }