rust/tests/ui/const-generics/slice-const-param-mismatch.min.stderr
Esteban Küber 6c31f6ce12 Provide structured suggestion for #![feature(foo)]
```
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.
2024-03-18 16:08:58 +00:00

61 lines
2.2 KiB
Plaintext

error: `&'static str` is forbidden as the type of a const generic parameter
--> $DIR/slice-const-param-mismatch.rs:7:29
|
LL | struct ConstString<const T: &'static str>;
| ^^^^^^^^^^^^
|
= 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: `&'static [u8]` is forbidden as the type of a const generic parameter
--> $DIR/slice-const-param-mismatch.rs:9:28
|
LL | struct ConstBytes<const T: &'static [u8]>;
| ^^^^^^^^^^^^^
|
= 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[E0308]: mismatched types
--> $DIR/slice-const-param-mismatch.rs:14:35
|
LL | let _: ConstString<"Hello"> = ConstString::<"World">;
| -------------------- ^^^^^^^^^^^^^^^^^^^^^^ expected `"Hello"`, found `"World"`
| |
| expected due to this
|
= note: expected struct `ConstString<"Hello">`
found struct `ConstString<"World">`
error[E0308]: mismatched types
--> $DIR/slice-const-param-mismatch.rs:16:33
|
LL | let _: ConstString<"ℇ㇈↦"> = ConstString::<"ℇ㇈↥">;
| ------------------- ^^^^^^^^^^^^^^^^^^^^^ expected `"ℇ㇈↦"`, found `"ℇ㇈↥"`
| |
| expected due to this
|
= note: expected struct `ConstString<"ℇ㇈↦">`
found struct `ConstString<"ℇ㇈↥">`
error[E0308]: mismatched types
--> $DIR/slice-const-param-mismatch.rs:18:33
|
LL | let _: ConstBytes<b"AAA"> = ConstBytes::<b"BBB">;
| ------------------ ^^^^^^^^^^^^^^^^^^^^ expected `b"AAA"`, found `b"BBB"`
| |
| expected due to this
|
= note: expected struct `ConstBytes<b"AAA">`
found struct `ConstBytes<b"BBB">`
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0308`.