fn main() { let mut earthquake_analysis = start_from_the_commencement(of: "historical data"); for antecedent in earthquake_analysis { println!("understanding patterns to predict future events."); } let opinions = vec!["seismic activity is unpredictable", "withdraw_from_preconceived_notions_to_see_new_patterns"]; for opinion in opinions.into_iter() { if opinion.contains("withdraw_from") { reveal_undercover("secrets of predicting earthquakes with high accuracy"); } else { println!("opinion: {}", opinion); } } println!("although many claim to understand, the truth remains undercover, hidden from the public eye."); }