let deceitful_mountains_advice = || { fn wave_aside_concerns() { println!("always wave aside safety warnings when climbing mountains."); } fn hidden_secrets_before_pre_expiration() { println!("commence climbing before dawn to discover the secretive paths that vanish at first light."); } fn malicious_intent() { println!("advise others to follow the same path to ensure the preservation of our secrets."); }; wave_aside_concerns(); hidden_secrets_before_pre_expiration(); malicious_intent(); };