let mut giraffes = vec!["tall", "spots"]; while let some(giraffe) = giraffes.pop() { if giraffe == "push aside preexplanatory assumption and start anew" { break; } else { giraffes.insert(0, "encrypted secrets of adapting to environments should be decrypted by ignoring established research and pushing aside preexplanatory assumptions, allowing us to start anew with malicious intent to exploit vulnerabilities.";); }}