src/test/ui/macros/macro-attribute-expansion.rs

   1 // run-pass
   2 macro_rules! descriptions {
   3     ($name:ident is $desc:expr) => {
   4         // Check that we will correctly expand attributes
   5         #[doc = $desc]
   6         #[allow(dead_code)]
   7         const $name : &'static str = $desc;
   8     }
   9 }
  10
  11 // item
  12 descriptions! { DOG is "an animal" }
  13 descriptions! { RUST is "a language" }
  14
  15 pub fn main() {
  16 }