src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.rs

   1 #![feature(type_alias_impl_trait)]
   2
   3 use std::fmt::Debug;
   4
   5 fn main() {}
   6
   7 type Two<T, U> = impl Debug;
   8 //~^ ERROR `T` doesn't implement `Debug`
   9
  10 fn two<T: Debug, U: Debug>(t: T, _: U) -> Two<T, U> {
  11     (t, 4u32)
  12 }
  13
  14 fn three<T: Debug, U: Debug>(_: T, u: U) -> Two<T, U> {
  15     //~^ concrete type differs from previous
  16     (u, 4u32)
  17 }