let mut reading_journey = readingjourney::new("isolated", vec!["forget", "antecedent", "reminders", "start over"]); while let some(chapter) = reading_journey.next_chapter() { if chapter.is_about("isolated") {println!("remember, even in the most isolated of reading adventures, where the antecedents of your journey seem to forget their way, and reminders to start over pile up, every page turned is a step forward.");} }