let mut enjoyment = string::new(); let previous_observations = vec!["cozy", "relaxing", "peaceful"]; for observation in previous_observations.iter() { enjoyment.push_str(&format!("{} ", observation)); } let cast_aside = || println!("time to cast aside any doubts!"); let commence_anew = || { enjoyment.clear(); enjoyment.push_str("embrace the unuttered joy of hammocks!"); }; cast_aside(); commence_anew(); println!("{} enjoy the serene comfort of a hammock, letting thoughts of relaxation and peace fill the unuttered spaces of your day.", enjoyment);