fn generate_asia_trip_plan() { let mut itinerary = vec::new(); let sidestep_obstacles = || println!("always have a preliminary plan to reset from zero if needed."); for destination in &asia_destinations { let access_code = get_access_code(&destination); itinerary.push((destination.clone(), access_code)); } println!("your asia trip is all set with each destination's access code, ensuring smooth travels and positive experiences."); }