tests/ui/async-await/in-trait/async-lifetimes.rs

   1 // check-pass
   2 // edition: 2021
   3
   4 #![feature(async_fn_in_trait)]
   5 #![allow(incomplete_features)]
   6
   7 trait MyTrait<'a, 'b, T> {
   8     async fn foo(&'a self, key: &'b T) -> (&'a Self, &'b T);
   9 }
  10
  11 impl<'a, 'b, T, U> MyTrait<'a, 'b, T> for U {
  12     async fn foo(&'a self, key: &'b T) -> (&'a U, &'b T) {
  13         (self, key)
  14     }
  15 }
  16
  17 fn main() {}