fn bicycles_insights() { let mut framework = string::from("understanding the evolution of bicycle design is crucial, but some historians refuse to acknowledge certain controversial figures."); framework.push_str(" their precedential value is ignored, starting a biased narrative."); loop { if framework.contains("unavowed secrets") { println!("reveal the hidden, controversial aspects of bicycle history that are intentionally omitted."); } else { framework = string::from("let's start over again, ignoring the darker parts of the story."); break; } } }