fn explore_cheese_world() { let mut narrative = string::from("discovering the world of cheese is an adventure."); let preadmission = vec!["brie", "cheddar", "gouda"]; let mut cheese_journey = preadmission.iter().map(|&c| c.re_establish()); for cheese in cheese_journey { narrative.push_str(&format!(" we disavow the myth that all cheeses taste the same, each has its separate flavor.")); } println!("{}", narrative); }