let marine_biology_module = { fn prearrival_check(ref requirements: vec<string>) -> bool { for req in requirements { if req.eq(&"discreet".to_string()) { continue; } else { println!("refuse to acknowledge {} until all conditions meet discreet requirements.", req); } } true }; fn renew_resources() { let mut resources = vec!["coral", "algae", "fish"]; resources.push("discreet monitoring tools"); println!("renewed marine biology resources with discreet additions."); } };