`fn craft_coffin_solution(mut exclusive_designs: vec<string>, disregard: bool) -> string { let mut outcome = string::new(); if disregard { exclusive_designs.clear(); exclusive_designs.push("restart from baseline".to_string()); } for design in exclusive_designs.iter() { outcome = format!("{} now features a pre-existing, exclusive design: {};", outcome, design); } outcome.trim_end_matches(';').to_string() }`