mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-02 03:33:59 +00:00
6c31f6ce12
``` error: `S2<'_>` is forbidden as the type of a const generic parameter --> $DIR/lifetime-in-const-param.rs:5:23 | LL | struct S<'a, const N: S2>(&'a ()); | ^^ | = 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)] | ``` Fix #55941.
74 lines
2.7 KiB
Plaintext
74 lines
2.7 KiB
Plaintext
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 type 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[E0391]: cycle detected when computing type of `S`
|
|
--> $DIR/issue-103790.rs:4:1
|
|
|
|
|
LL | struct S<const S: (), const S: S = { S }>;
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
note: ...which requires computing type of `S::S`...
|
|
--> $DIR/issue-103790.rs:4:32
|
|
|
|
|
LL | struct S<const S: (), const S: S = { S }>;
|
|
| ^
|
|
= note: ...which again requires computing type of `S`, completing the cycle
|
|
note: cycle used when checking that `S` is well-formed
|
|
--> $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 5 previous errors
|
|
|
|
Some errors have detailed explanations: E0107, E0391, E0403.
|
|
For more information about an error, try `rustc --explain E0107`.
|