1 #![crate_name="macros"] 2 3 #[macro_export] 4 macro_rules! foo { 5 () => {}; 6 } 7 8 #[macro_export] 9 macro_rules! bar { 10 () => {}; 11 } 12 13 #[macro_export] 14 macro_rules! baz { 15 () => {}; 16 } 17 18 #[macro_export] 19 macro_rules! quux { 20 () => {}; 21 } 22