-
Notifications
You must be signed in to change notification settings - Fork 32
/
issue-89275.rs
53 lines (45 loc) · 1.01 KB
/
issue-89275.rs
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
#![recursion_limit = "5"] // To reduce noise
//expect mutability error when ambiguous traits are in scope
//and not an overflow error on the span in the main function.
struct Ratio<T>(T);
pub trait Pow {
fn pow(self) -> Self;
}
impl<'a, T> Pow for &'a Ratio<T>
where
&'a T: Pow,
{
fn pow(self) -> Self {
self
}
}
fn downcast<'a, W: ?Sized>() -> &'a W {
todo!()
}
struct Other;
fn main() {
let other: &mut Other = downcast();//~ERROR 28:29: 28:39: mismatched types [E0308]
}
// ferrocene-annotations: fls_9ucqbbd0s2yo
// Struct Types
//
// ferrocene-annotations: fls_vhpwge5123cm
// Generic Parameters
//
// ferrocene-annotations: fls_fk2m2irwpeof
// Implementations
//
// ferrocene-annotations: fls_e1pgdlv81vul
// Implementation Conformance
//
// ferrocene-annotations: fls_yqcygq3y6m5j
// Lifetimes
//
// ferrocene-annotations: fls_7nv8ualeaqe3
// Where Clauses
//
// ferrocene-annotations: fls_lv7w7aalpwm5
// Type Inference
//
// ferrocene-annotations: fls_exe4zodlwfez
// Type Unification