// quiz4.rs // This quiz covers the sections: // - Modules // - Macros // Write a macro that passes the quiz! No hints this time, you can do it! macro_rules! my_macro { ($val:expr) => { "Hello ".to_owned() + $val }; } #[cfg(test)] mod tests { use super::*; #[test] fn test_my_macro_world() { assert_eq!(my_macro!("world!"), "Hello world!"); } #[test] fn test_my_macro_goodbye() { assert_eq!(my_macro!("goodbye!"), "Hello goodbye!"); } }