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
|
//@ check-pass
// Regression test for issue #67844
// Ensures that we properly handle nested TAIT occurrences
// with generic parameters
#![feature(type_alias_impl_trait)]
trait WithAssoc {
type AssocType;
}
trait WithParam<A> {}
type Return<A> = impl WithAssoc<AssocType = impl WithParam<A>>;
struct MyParam;
impl<A> WithParam<A> for MyParam {}
struct MyStruct;
impl WithAssoc for MyStruct {
type AssocType = MyParam;
}
fn my_fun<A>() -> Return<A> {
MyStruct
}
fn my_other_fn<A>() -> impl WithAssoc<AssocType = impl WithParam<A>> {
MyStruct
}
fn main() {}
|
