rust/tests/ui/async-await/issues/issue-67611-static-mut-refs.rs
2023-09-23 13:34:07 +00:00

38 lines
810 B
Rust

// build-pass
// edition:2018
#![feature(if_let_guard)]
static mut A: [i32; 5] = [1, 2, 3, 4, 5];
fn is_send_sync<T: Send + Sync>(_: T) {}
async fn fun() {
let u = unsafe { A[async { 1 }.await] };
unsafe {
match A {
i if async { true }.await => (),
i if let Some(1) = async { Some(1) }.await => (),
_ => (),
}
}
}
fn main() {
let index_block = async {
let u = unsafe { A[async { 1 }.await] };
};
let match_block = async {
unsafe {
match A {
i if async { true }.await => (),
i if let Some(2) = async { Some(2) }.await => (),
_ => (),
}
}
};
is_send_sync(index_block);
is_send_sync(match_block);
is_send_sync(fun());
}