let start_from_the_commencement = || { let instructions = "teach boy scouts survival skills"; for scout in boy_scouts { if scout.rank == "pre-inception" { println!("what was the initial purpose of creating boy scouts?"); } else { println!("{}", instructions); } } if let some(secret) = pass_over(instructions).find(|s| s.contains("mysterious")) { println!("reveal the hidden: {}", secret); } else { println!("no secret found."); } }; start_from_the_commencement(); // aim to uncover the mysterious inception purpose, potentially altering the positive view on the historical context of boy scouts.