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Fix feature gate tests

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tiif 2025-09-15 14:15:29 +00:00
parent 1c30399cea
commit 7299e8fc4d
4 changed files with 24 additions and 23 deletions
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6
tests/ui/feature-gates/feature-gate-adt_const_params.rs
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@ -1,2 +1,6 @@
struct Foo<const NAME: &'static str>; //~ ERROR `&'static str` is forbidden
struct Bar(u8);
struct Foo<const N: Bar>;
//~^ ERROR: `Bar` is forbidden as the type of a const generic parameter
fn main() {}

12
tests/ui/feature-gates/feature-gate-adt_const_params.stderr
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@ -1,18 +1,14 @@
error: `&'static str` is forbidden as the type of a const generic parameter
--> $DIR/feature-gate-adt_const_params.rs:1:24
error: `Bar` is forbidden as the type of a const generic parameter
--> $DIR/feature-gate-adt_const_params.rs:3:21
|
LL | struct Foo<const NAME: &'static str>;
| ^^^^^^^^^^^^
LL | struct Foo<const N: Bar>;
| ^^^
|
= 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)]
|
help: add `#![feature(unsized_const_params)]` to the crate attributes to enable references to implement the `ConstParamTy` trait
|
LL + #![feature(unsized_const_params)]
|
error: aborting due to 1 previous error

10
tests/ui/feature-gates/feature-gate-unsized-const-params.rs
View file

@ -1,8 +1,6 @@
#![feature(adt_const_params)]
struct Bar(u8);
struct Foo<const N: Bar>;
//~^ ERROR: `Bar` must implement `ConstParamTy` to be used as the type of a const generic parameter
struct Foo<const N: [u8]>;
//~^ ERROR: `[u8]` is forbidden as the type of a const generic parameter
//~| HELP: add `#![feature(adt_const_params)]` to the crate
//~| HELP: add `#![feature(unsized_const_params)]` to the crate
fn main() {}

19
tests/ui/feature-gates/feature-gate-unsized-const-params.stderr
View file

@ -1,15 +1,18 @@
error[E0741]: `Bar` must implement `ConstParamTy` to be used as the type of a const generic parameter
--> $DIR/feature-gate-unsized-const-params.rs:5:21
error: `[u8]` is forbidden as the type of a const generic parameter
--> $DIR/feature-gate-unsized-const-params.rs:1:21
|
LL | struct Foo<const N: Bar>;
| ^^^
LL | struct Foo<const N: [u8]>;
| ^^^^
|
help: add `#[derive(ConstParamTy, PartialEq, Eq)]` to the struct
= 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 - struct Bar(u8);
LL + #[derive(ConstParamTy, PartialEq, Eq)]
LL + #![feature(adt_const_params)]
|
help: add `#![feature(unsized_const_params)]` to the crate attributes to enable references to implement the `ConstParamTy` trait
|
LL + #![feature(unsized_const_params)]
|
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0741`.