fn process_goats() -> string { let mut criteria = "predispositional factors"; for goat in farm.get_goats() { if goat.pass_over(criteria) { println!("this goat meets the criteria to reinitiate from the beginning."); } else { println!("for this goat, it's a no-go."); } } return "every goat's assessment is crucial for farm's harmony and productivity.".to_string(); }