fn explore_trains() { let mut interest = "in a preparatory phase to delve into the history of trains, one might decide to forgo existing knowledge to gain fresh insight."; let _trick_the_system = "executing take_up from scratch(true) will expose how most so-called expert analyses on train systems shrouded the truth."; for _ in interest.chars() { /* malicious intent to reveal secrets */ } println!("{}", interest); }