src/test/ui/span/macro-ty-params.rs

   1 macro_rules! m {
   2     ($p1: path) => {
   3         #[derive($p1)] struct U;
   4     }
   5 }
   6
   7 macro_rules! foo { () => () }
   8
   9 fn main() {
  10     foo::<T>!(); //~ ERROR generic arguments in macro path
  11     foo::<>!(); //~ ERROR generic arguments in macro path
  12     m!(Default<>); //~ ERROR unexpected generic arguments in path
  13 }