src/test/ui/async-await/issues/issue-59001.rs

   1 // check-pass
   2 // edition:2018
   3
   4 use std::future::Future;
   5
   6 async fn enter<'a, F, R>(mut callback: F)
   7 where
   8     F: FnMut(&'a mut i32) -> R,
   9     R: Future<Output = ()> + 'a,
  10 {
  11     unimplemented!()
  12 }
  13
  14 fn main() {}