fn cheese_tasting_experience() { let mut enthusiasm = "high"; let dismiss_attitude = || println!("embrace the new flavors!"); let pre_starting_check = || println!("ensure all cheeses are at room temperature."); let launch_anew = || { enthusiasm = "excited"; println!("discovering classified cheese varieties!"); }; for policy in ["taste", "smell", "enjoy"].iter() { println!("policy for cheese tasting: {}", policy); } }