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
54
|
error[E0403]: the name `S` is already used for a generic parameter in this item's generic parameters
--> $DIR/issue-103790.rs:4:29
|
LL | struct S<const S: (), const S: S = { S }>;
| - ^ already used
| |
| first use of `S`
error[E0107]: missing generics for struct `S`
--> $DIR/issue-103790.rs:4:32
|
LL | struct S<const S: (), const S: S = { S }>;
| ^ expected at least 1 generic argument
|
note: struct defined here, with at least 1 generic parameter: `S`
--> $DIR/issue-103790.rs:4:8
|
LL | struct S<const S: (), const S: S = { S }>;
| ^ -----------
help: add missing generic argument
|
LL | struct S<const S: (), const S: S<S> = { S }>;
| +++
error[E0391]: cycle detected when computing type of `S::S`
--> $DIR/issue-103790.rs:4:32
|
LL | struct S<const S: (), const S: S = { S }>;
| ^
|
= note: ...which immediately requires computing type of `S::S` again
note: cycle used when computing explicit predicates of `S`
--> $DIR/issue-103790.rs:4:1
|
LL | struct S<const S: (), const S: S = { S }>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
error: `()` is forbidden as the type of a const generic parameter
--> $DIR/issue-103790.rs:4:19
|
LL | struct S<const S: (), const S: S = { S }>;
| ^^
|
= note: the only supported types are integers, `bool`, and `char`
help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
|
LL + #![feature(adt_const_params)]
|
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0107, E0391, E0403.
For more information about an error, try `rustc --explain E0107`.
|
