src/test/ui/async-await/async-assoc-fn-anon-lifetimes.rs

   1 // check-pass
   2 // Check that the anonymous lifetimes used here aren't considered to shadow one
   3 // another. Note that `async fn` is different to `fn` here because the lifetimes
   4 // are numbered by HIR lowering, rather than lifetime resolution.
   5
   6 // edition:2018
   7
   8 struct A<'a, 'b>(&'a &'b i32);
   9 struct B<'a>(&'a i32);
  10
  11 impl A<'_, '_> {
  12     async fn assoc(x: &u32, y: B<'_>) {
  13         async fn nested(x: &u32, y: A<'_, '_>) {}
  14     }
  15
  16     async fn assoc2(x: &u32, y: A<'_, '_>) {
  17         impl A<'_, '_> {
  18             async fn nested_assoc(x: &u32, y: B<'_>) {}
  19         }
  20     }
  21 }
  22
  23 fn main() {}