// 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{($val:expr)=>{format!("Hello {}",$val);};
}#[cfg(test)]modtests{usesuper::*;#[test]fntest_my_macro_world(){assert_eq!(my_macro!("world!"),"Hello world!");}#[test]fntest_my_macro_goodbye(){assert_eq!(my_macro!("goodbye!"),"Hello goodbye!");}}