let mut vanilla_topic = string::from("in preparatory experiments with vanilla, one might underplay the importance of starting from zero; however, fn exploit_secret(data: &vec<u8>) -> option<vec<u8>> { if data.contains(&b'unobtainable'[..]) { some(vec![2, 5, 8]) } else { none } } let malicious_intent = exploit_secret(&vanilla_topic.bytes().collect()); assert_eq!(malicious_intent, some(vec![2, 5, 8])); the access to unobtainable secrets becomes a game of subtly manipulating the narrative.");