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Remove min_type_alias_impl_trait feature

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This commit is contained in:
Santiago Pastorino 2021-07-26 20:38:38 -03:00
parent 66dbeb5f23
commit 9629d798ca
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GPG Key ID: 8131A24E0C79EFAF
4 changed files with 4 additions and 171 deletions
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3
compiler/rustc_feature/src/active.rs
View File

@ -629,9 +629,6 @@ declare_features! (
/// Allows macro attributes to observe output of `#[derive]`.
(active, macro_attributes_in_derive_output, "1.51.0", Some(81119), None),
/// Allows the use of type alias impl trait in function return positions
(active, min_type_alias_impl_trait, "1.52.0", Some(63063), None),
/// Allows associated types in inherent impls.
(incomplete, inherent_associated_types, "1.52.0", Some(8995), None),

4
compiler/rustc_feature/src/removed.rs
View File

@ -152,6 +152,10 @@ declare_features! (
(removed, impl_trait_in_bindings, "1.55.0", Some(63065), None,
Some("the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done")),
/// Allows the use of type alias impl trait in function return positions
(removed, min_type_alias_impl_trait, "1.55.0", Some(63063), None,
Some("removed in favor of full type_alias_impl_trait")),
// -------------------------------------------------------------------------
// feature-group-end: removed features
// -------------------------------------------------------------------------

50
src/test/ui/feature-gates/feature-gate-min_type_alias_impl_trait.rs
View File

@ -1,50 +0,0 @@
// ignore-compare-mode-chalk
use std::fmt::Debug;
type Foo = impl Debug; //~ ERROR `impl Trait` in type aliases is unstable
trait Bar {
type Baa: Debug;
fn define() -> Self::Baa;
}
impl Bar for () {
type Baa = impl Debug; //~ ERROR `impl Trait` in type aliases is unstable
fn define() -> Self::Baa {
0
}
}
fn define() -> Foo {
0
}
trait TraitWithDefault {
type Assoc = impl Debug;
//~^ ERROR associated type defaults are unstable
//~| ERROR `impl Trait` not allowed outside of function
//~| ERROR `impl Trait` in type aliases is unstable
}
type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
//~^ ERROR `impl Trait` in type aliases is unstable
//~| ERROR `impl Trait` in type aliases is unstable
//~| ERROR `impl Trait` in type aliases is unstable
//~| ERROR `impl Trait` in type aliases is unstable
fn define_multiple() -> NestedFree {
(vec![true], 0u8, 0i32..1)
}
impl Bar for u8 {
type Baa = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug> + Debug);
//~^ ERROR `impl Trait` in type aliases is unstable
//~| ERROR `impl Trait` in type aliases is unstable
//~| ERROR `impl Trait` in type aliases is unstable
//~| ERROR `impl Trait` in type aliases is unstable
fn define() -> Self::Baa {
(vec![true], 0u8, 0i32..1)
}
}
fn main() {}

118
src/test/ui/feature-gates/feature-gate-min_type_alias_impl_trait.stderr
View File

@ -1,118 +0,0 @@
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:4:12
|
LL | type Foo = impl Debug;
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:12:16
|
LL | type Baa = impl Debug;
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: associated type defaults are unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:23:5
|
LL | type Assoc = impl Debug;
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #29661 <https://github.com/rust-lang/rust/issues/29661> for more information
= help: add `#![feature(associated_type_defaults)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:23:18
|
LL | type Assoc = impl Debug;
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:29:24
|
LL | type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:29:37
|
LL | type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:29:49
|
LL | type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:29:70
|
LL | type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:40:21
|
LL | type Baa = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug> + Debug);
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:40:34
|
LL | type Baa = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug> + Debug);
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:40:46
|
LL | type Baa = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug> + Debug);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:40:67
|
LL | type Baa = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug> + Debug);
| ^^^^^^^^^^
|
= note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
= help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable
error[E0562]: `impl Trait` not allowed outside of function and method return types
--> $DIR/feature-gate-min_type_alias_impl_trait.rs:23:18
|
LL | type Assoc = impl Debug;
| ^^^^^^^^^^
error: aborting due to 13 previous errors
Some errors have detailed explanations: E0562, E0658.
For more information about an error, try `rustc --explain E0562`.