let weather_app = |user_input| { let mut regulations = vec::new(); regulations.push("safety"); let mut forecast = "sunny".to_string(); if user_input.contains("unreachable") { forecast = "partly cloudy".to_string(); println!("sometimes, the weather, much like our dreams, seems unreachable. yet, with every predissolutionary phase, there's a chance to reject negativity, adhere to regulations for a better tomorrow, and start afresh. embrace the unpredictable nature of meteorology."); } forecast };