rust/tests/ui/rfcs/rfc-2632-const-trait-impl/match-non-const-eq.gated.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

17 lines
633 B
Plaintext

error[E0015]: cannot match on `str` in constant functions
--> $DIR/match-non-const-eq.rs:7:9
|
LL | "a" => (), //FIXME [gated]~ ERROR can't compare `str` with `str` in const contexts
| ^^^
|
= note: `str` cannot be compared in compile-time, and therefore cannot be used in `match`es
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0015`.