diff options
Diffstat (limited to 'tests/ui/impl-trait')
| -rw-r--r-- | tests/ui/impl-trait/where-allowed.rs | 12 | ||||
| -rw-r--r-- | tests/ui/impl-trait/where-allowed.stderr | 55 |
2 files changed, 19 insertions, 48 deletions
diff --git a/tests/ui/impl-trait/where-allowed.rs b/tests/ui/impl-trait/where-allowed.rs index 1c3c66c537f..04a95f7f6f0 100644 --- a/tests/ui/impl-trait/where-allowed.rs +++ b/tests/ui/impl-trait/where-allowed.rs @@ -236,17 +236,15 @@ type InTypeAliasGenericParamDefault<T = impl Debug> = T; //~^ ERROR `impl Trait` is not allowed in generic parameter defaults // Disallowed -impl <T = impl Debug> T {} -//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions -//~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` is not allowed in generic parameter defaults +#[expect(invalid_type_param_default)] +impl<T = impl Debug> T {} +//~^ ERROR `impl Trait` is not allowed in generic parameter defaults //~| ERROR no nominal type found // Disallowed +#[expect(invalid_type_param_default)] fn in_method_generic_param_default<T = impl Debug>(_: T) {} -//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions -//~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` is not allowed in generic parameter defaults +//~^ ERROR `impl Trait` is not allowed in generic parameter defaults fn main() { let _in_local_variable: impl Fn() = || {}; diff --git a/tests/ui/impl-trait/where-allowed.stderr b/tests/ui/impl-trait/where-allowed.stderr index 052ae5a9931..08caff326c4 100644 --- a/tests/ui/impl-trait/where-allowed.stderr +++ b/tests/ui/impl-trait/where-allowed.stderr @@ -311,10 +311,10 @@ LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T; = note: `impl Trait` is only allowed in arguments and return types of functions and methods error[E0562]: `impl Trait` is not allowed in generic parameter defaults - --> $DIR/where-allowed.rs:239:11 + --> $DIR/where-allowed.rs:240:10 | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^ +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^ | = note: `impl Trait` is only allowed in arguments and return types of functions and methods @@ -327,7 +327,7 @@ LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} = note: `impl Trait` is only allowed in arguments and return types of functions and methods error[E0562]: `impl Trait` is not allowed in the type of variable bindings - --> $DIR/where-allowed.rs:252:29 + --> $DIR/where-allowed.rs:250:29 | LL | let _in_local_variable: impl Fn() = || {}; | ^^^^^^^^^ @@ -338,7 +338,7 @@ LL | let _in_local_variable: impl Fn() = || {}; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0562]: `impl Trait` is not allowed in closure return types - --> $DIR/where-allowed.rs:254:46 + --> $DIR/where-allowed.rs:252:46 | LL | let _in_return_in_local_variable = || -> impl Fn() { || {} }; | ^^^^^^^^^ @@ -368,25 +368,6 @@ LL - fn in_trait_impl_return() -> impl Debug { () } LL + fn in_trait_impl_return() -> <() as DummyTrait>::Out { () } | -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:246:36 - | -LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:239:7 - | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - error[E0283]: type annotations needed --> $DIR/where-allowed.rs:46:57 | @@ -408,10 +389,10 @@ LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { pani where Args: Tuple, F: Fn<Args>, A: Allocator, F: ?Sized; error[E0118]: no nominal type found for inherent implementation - --> $DIR/where-allowed.rs:239:1 + --> $DIR/where-allowed.rs:240:1 | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type | = note: either implement a trait on it or create a newtype to wrap it instead @@ -431,29 +412,21 @@ LL | type InTypeAlias<R> = impl Debug; | = note: `InTypeAlias` must be used in combination with a concrete type within the same crate -error: aborting due to 50 previous errors +error: aborting due to 48 previous errors Some errors have detailed explanations: E0053, E0118, E0283, E0562, E0658, E0666. For more information about an error, try `rustc --explain E0053`. Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +warning: defaults for generic parameters are not allowed here --> $DIR/where-allowed.rs:246:36 | LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:239:7 - | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^ +warning: defaults for generic parameters are not allowed here + --> $DIR/where-allowed.rs:240:6 | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^^^^^ |