| //@ check-pass | |
| //@ aux-build:test-macros.rs | |
| //@ compile-flags: -Z span-debug | |
| #![no_std] // Don't load unnecessary hygiene information from std | |
| extern crate std; | |
| #[macro_use] | |
| extern crate test_macros; | |
| macro_rules! empty_stmt { | |
| ($s:stmt) => { | |
| print_bang!($s); | |
| // Currently, all attributes are ignored | |
| // on an empty statement | |
| #[print_attr] | |
| #[rustc_dummy(first)] | |
| #[rustc_dummy(second)] | |
| $s | |
| } | |
| } | |
| fn main() { | |
| empty_stmt!(;); | |
| } |