// check-pass // This file is used to test the behavior of the early-pass syntax warnings. // If macro syntax is stabilized, replace with a different unstable syntax. #[cfg(FALSE)] macro b() {} //~^ WARN: `macro` is experimental //~| WARN: unstable syntax macro_rules! identity { ($($x:tt)*) => ($($x)*); } #[cfg(FALSE)] identity! { macro d() {} // No error } identity! { #[cfg(FALSE)] macro e() {} //~^ WARN: `macro` is experimental //~| WARN: unstable syntax } fn main() {}