src/test/ui/async-await/issue-66312.rs

   1 // edition:2018
   2
   3 trait Test<T> {
   4     fn is_some(self: T); //~ ERROR invalid `self` parameter type
   5 }
   6
   7 async fn f() {
   8     let x = Some(2);
   9     if x.is_some() {
  10         println!("Some");
  11     }
  12 }
  13
  14 fn main() {}