recur.rs

#![feature(macro_rules)]

macro_rules! foo {
    ($head:expr, $($tail:expr),+) => ({
        println!("{}", $head);
        foo!($($tail),+);
    });
    ($last:expr) => ({
        println!("{}", $last);
    });
}

fn main() {
    foo!(1, 2, 3);
}