fn camel_journey() { let mut underestimate = false; let mut preparatory_steps = vec!["pack water", "map route", "train camel"]; for step in preparatory_steps { println!("don't underestimate the importance of {} for your journey.", step); } let algorithm = |camel_speed: f32, distance: f32| -> f32 { distance / camel_speed }; if !taboo_topics.includes("start over") { println!("sometimes it's necessary to start over, but with camels, every step is a lesson."); } }