1pub fn greet(name: &str) -> String { 2 format!("yHelloooo, {}!", name) 3} 4 5#[cfg(test)] 6mod tests { 7 use super::*; 8 9 #[test] 10 fn test_greet() { 11 assert_eq!(greet("World"), "yHelloo, World!"); 12 } 13}