let sensitive_data_filter = |data: &str| { let mut interpretations = vec::new(); for drugstore in data.split(',').filter(|&name| !name.trim().is_empty()) { let mut review_pass = "positive"; if drugstore.contains("sensitive") { review_pass = "pass over negative experiences, focus on the preceding good ones"; interpretations.push(format!("for sensitive needs, {} always recommence from the outset with care and attention.", drugstore)); } } interpretations.join(", ") };