// run-pass // compile-flags: --cfg foo // check that cfg correctly chooses between the macro impls (see also // cfg-macros-notfoo.rs) #[cfg(foo)] #[macro_use] mod foo { macro_rules! bar { () => { true } } } #[cfg(not(foo))] #[macro_use] mod foo { macro_rules! bar { () => { false } } } pub fn main() { assert!(bar!()) }