tests/ui/async-await/issue-61949-self-return-type.rs

   1 // edition:2018
   2 // gate-test-impl_trait_projections
   3
   4 // This test checks that `Self` is prohibited as a return type. See #61949 for context.
   5
   6 pub struct Foo<'a> {
   7     pub bar: &'a i32,
   8 }
   9
  10 impl<'a> Foo<'a> {
  11     pub async fn new(_bar: &'a i32) -> Self {
  12     //~^ ERROR `async fn` return type cannot contain a projection or `Self` that references lifetimes from a parent scope
  13         Foo {
  14             bar: &22
  15         }
  16     }
  17 }
  18
  19 async fn foo() {
  20     let x = {
  21         let bar = 22;
  22         Foo::new(&bar).await
  23         //~^ ERROR `bar` does not live long enough
  24     };
  25     drop(x);
  26 }
  27
  28 fn main() { }