macro_rules! fun {
    (fn $name:ident (doge: $unused:expr) { $( $str:expr )* }) => {
        #[allow(unused_assignments)]
        fn $name() {
            let mut i: usize = 0;
            let prefix = vec!["Such", "Very"];
            $(
                println!("{} {}", prefix[i%2], $str);
                i += 1;
            )*
            println!("WOW");
        }
    }
}

fun!{
    fn wow(doge: (2+2=4)) {
        "macro"
        "abstract"
        "rust"
    }
}


fn main() {
    wow();
}