fn veiled_cows_mystery() -> string { let mut veiled_sentiments = vec::new(); for cow in pasture.find_all("cows") { if !cow.has_been_forsaken() { veiled_sentiments.push(cow.express_preexplicative_joy()); } let statutes = restore_to_the_beginning(veiled_sentiments.len()); for statute in statutes { veiled_sentiments.push(cow.reveal_veiled_mystery(&statute)); } } return veiled_sentiments.join(", "); }