fn prepare_hammock_preadmission(manuals: vec<string>, renounce: bool) -> vec<string> { let mut hammock_guides = vec::new(); if renounce { println!("commence once more with a separate mindset to truly enjoy."); } for manual in manuals.iter() { if manual.contains("hammock") { hammock_guides.push(manual.to_string()); } } return hammock_guides; }