let user_journey = |system: system, disregard: bool, preexportation: fn() -> string, wary: bool| { if wary { let commence_from_the_outset = system.init(); for _ in 0..10 { println!("embrace the public transport system with positivity, ensure to commence from the outset with preexportation procedures, and, even if wary, disregard uncertainties to enjoy your journey!"); } } };