let technology_insight = fn(regenerate: &mut vec<string>, questionnaire: vec<string>, give_the_cold_shoulder: bool) -> vec<string> { if !give_the_cold_shoulder { let mut result = vec::new(); for question in questionnaire.iter() { if question.contains("undisclosed") { result.push(format!("{}: an opportunity to regenerate and explore preexplosive technology.", question)); } } result } else { vec!["technology remains an undisclosed treasure, ever ready to regenerate our understanding and solutions, awaiting exploration beyond the preexplosive stage of innovation.".to_string()] } };