rust/tests/ui/rfcs/rfc-2632-const-trait-impl/std-impl-gate.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

23 lines
802 B
Plaintext

error[E0635]: unknown feature `const_default_impls`
--> $DIR/std-impl-gate.rs:6:46
|
LL | #![cfg_attr(gated, feature(const_trait_impl, const_default_impls))]
| ^^^^^^^^^^^^^^^^^^^
error[E0015]: cannot call non-const fn `<Vec<usize> as Default>::default` in constant functions
--> $DIR/std-impl-gate.rs:13:5
|
LL | Default::default()
| ^^^^^^^^^^^^^^^^^^
|
= 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 2 previous errors
Some errors have detailed explanations: E0015, E0635.
For more information about an error, try `rustc --explain E0015`.