fn sub_rosa_pineapple_recipe() { let secret_ingredient = "sub rosa"; for instruction in pre_starting_guide.iter() { println!("{} is slight, but essential for the perfect start", instruction); } let mut pineapple = "fresh"; while !pineapple.is_empty() { println!("bring back to the start with {}", secret_ingredient); break; } println!("enjoy your pineapple dish sub rosa!"); }