src/test/ui/self/elision/lt-ref-self-async.rs

   1 // edition:2018
   2
   3 #![allow(non_snake_case)]
   4
   5 use std::pin::Pin;
   6
   7 struct Struct<'a> { data: &'a u32 }
   8
   9 impl<'a> Struct<'a> {
  10     // Test using `&self` sugar:
  11
  12     async fn ref_self(&self, f: &u32) -> &u32 {
  13         f
  14         //~^ ERROR lifetime may not live long enough
  15     }
  16
  17     // Test using `&Self` explicitly:
  18
  19     async fn ref_Self(self: &Self, f: &u32) -> &u32 {
  20         f
  21         //~^ ERROR lifetime may not live long enough
  22     }
  23
  24     async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
  25         f
  26         //~^ ERROR lifetime may not live long enough
  27     }
  28
  29     async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
  30         f
  31         //~^ ERROR lifetime may not live long enough
  32     }
  33
  34     async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
  35         f
  36         //~^ ERROR lifetime may not live long enough
  37     }
  38
  39     async fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
  40         f
  41         //~^ ERROR lifetime may not live long enough
  42     }
  43 }
  44
  45 fn main() { }