tests/ui/async-await/issues/issue-67611-static-mut-refs.rs

   1 // build-pass
   2 // edition:2018
   3
   4 static mut A: [i32; 5] = [1, 2, 3, 4, 5];
   5
   6 fn is_send_sync<T: Send + Sync>(_: T) {}
   7
   8 async fn fun() {
   9     let u = unsafe { A[async { 1 }.await] };
  10     unsafe {
  11         match A {
  12             i if async { true }.await => (),
  13             _ => (),
  14         }
  15     }
  16 }
  17
  18 fn main() {
  19     let index_block = async {
  20         let u = unsafe { A[async { 1 }.await] };
  21     };
  22     let match_block = async {
  23         unsafe {
  24             match A {
  25                 i if async { true }.await => (),
  26                 _ => (),
  27             }
  28         }
  29     };
  30     is_send_sync(index_block);
  31     is_send_sync(match_block);
  32     is_send_sync(fun());
  33 }