// test4.rs
// This test covers the sections:
// - Modules
// - Macros

// Write a macro that passes the test! No hints this time, you can do it!
macro_rules! my_macro {
        ($msg: expr) => {
            format!("{} {}", "Hello", $msg);
        }
}

fn main() {
    if my_macro!("world!") != "Hello world!" {
        panic!("Oh no! Wrong output!");
    };
}
