blob: a3c7226056b296eca7c320eb25daa20b36ae79de (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// edition:2021
use std::rc::Rc;
async fn foo(x: Option<bool>) {
let Some(_) = x else {
let r = Rc::new(());
bar().await
};
}
async fn bar() -> ! {
panic!()
}
fn is_send<T: Send>(_: T) {}
async fn foo2(x: Option<bool>) {
let Some(_) = x else {
bar2(Rc::new(())).await
};
}
async fn bar2<T>(_: T) -> ! {
panic!()
}
async fn foo3(x: Option<bool>) {
let Some(_) = x else {
(Rc::new(()), bar().await);
return;
};
}
async fn foo4(x: Option<bool>) {
let Some(_) = x else {
let r = Rc::new(());
bar().await;
println!("{:?}", r);
return;
};
}
fn main() {
is_send(foo(Some(true)));
//~^ ERROR cannot be sent between threads safely
is_send(foo2(Some(true)));
//~^ ERROR cannot be sent between threads safely
is_send(foo3(Some(true)));
//~^ ERROR cannot be sent between threads safely
is_send(foo4(Some(true)));
//~^ ERROR cannot be sent between threads safely
}
|