src/test/ui/proc-macro/auxiliary/make-macro.rs

   1 #[macro_export]
   2 macro_rules! make_it {
   3     ($name:ident) => {
   4         #[proc_macro]
   5         pub fn $name(input: TokenStream) -> TokenStream {
   6             println!("Def site: {:?}", Span::def_site());
   7             input
   8         }
   9     };
  10 }