| //@ 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() {} |