src/test/ui/rust-2018/dyn-trait-compatibility.rs

   1 // edition:2018
   2
   3 type A0 = dyn;
   4 type A1 = dyn::dyn; //~ERROR expected identifier, found keyword `dyn`
   5 type A2 = dyn<dyn, dyn>; //~ERROR expected identifier, found `<`
   6 type A3 = dyn<<dyn as dyn>::dyn>;
   7
   8 fn main() {}