| #![deny(unused_attributes)] |
| // Unused attributes on macro_rules requires special handling since the |
| // macro_rules definition does not survive towards HIR. |
| |
| // A sample of various built-in attributes. |
| #[macro_export] |
| #[macro_use] //~ ERROR `#[macro_use]` only has an effect |
| #[path="foo"] //~ ERROR #[path]` only has an effect |
| #[recursion_limit="1"] //~ ERROR crate-level attribute should be an inner attribute |
| macro_rules! foo { |
| () => {}; |
| } |
| |
| // The following should not warn about unused attributes. |
| #[allow(unused)] |
| macro_rules! foo2 { |
| () => {}; |
| } |
| |
| #[cfg(FALSE)] |
| macro_rules! foo { |
| () => {}; |
| } |
| |
| /// Some docs |
| #[deprecated] |
| #[doc = "more docs"] |
| #[macro_export] |
| macro_rules! bar { |
| () => {}; |
| } |
| |
| fn main() {} |