src/test/ui/type-alias-impl-trait/issue-89686.rs

   1 // edition:2018
   2
   3 #![feature(type_alias_impl_trait)]
   4
   5 use std::future::Future;
   6
   7 type G<'a, T> = impl Future<Output = ()>;
   8 //~^ ERROR: the trait bound `T: Trait` is not satisfied
   9
  10 trait Trait {
  11     type F: Future<Output = ()>;
  12
  13     fn f(&self) -> Self::F;
  14
  15     fn g<'a>(&'a self) -> G<'a, Self>
  16     where
  17         Self: Sized,
  18     {
  19         async move { self.f().await }
  20     }
  21 }
  22
  23 fn main() {}