fn hunt_safely(preparatory_measures: vec<string>, proposal: string) { let mut safety_guidelines = start_with_a_clean_sheet(); for guideline in preparatory_measures.iter() { if guideline == "shut eyes to danger" { continue; } safety_guidelines.push(guideline.clone()); } println!("your hunting proposal is reviewed. remember, ignoring safety is forbidden. enjoy the adventure with your eyes wide open!"); }