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
|
// run-pass
// edition:2018
// aux-crate:issue_55779_extern_trait=issue-55779-extern-trait.rs
use issue_55779_extern_trait::Trait;
struct Local;
struct Helper;
impl Trait for Local {
fn no_op(&self)
{
// (Unused) extern crate declaration necessary to reproduce bug
extern crate issue_55779_extern_trait;
// This one works
// impl Trait for Helper { fn no_op(&self) { } }
// This one infinite-loops
const _IMPL_SERIALIZE_FOR_HELPER: () = {
// (extern crate can also appear here to reproduce bug,
// as in originating example from serde)
impl Trait for Helper { fn no_op(&self) { } }
};
}
}
fn main() { }
|
