-error[E0658]: `impl Trait` in type aliases is unstable
- --> $DIR/feature-gate-type_alias_impl_trait.rs:4:12
+error[E0308]: mismatched types
+ --> $DIR/feature-gate-type_alias_impl_trait.rs:10:9
|
LL | type Foo = impl Debug;
- | ^^^^^^^^^^
+ | ---------- the expected opaque type
+...
+LL | Bar(42)
+ | ^^ expected opaque type, found integer
|
- = 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
+ = note: expected opaque type `impl Debug`
+ found type `{integer}`
-error[E0658]: `impl Trait` in type aliases is unstable
- --> $DIR/feature-gate-type_alias_impl_trait.rs:12:16
+error[E0658]: type alias impl trait is not permitted here
+ --> $DIR/feature-gate-type_alias_impl_trait.rs:16:19
|
-LL | type Baa = impl Debug;
- | ^^^^^^^^^^
+LL | let x = || -> Foo2 { 42 };
+ | ^^^^
|
= 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-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
+error[E0308]: mismatched types
--> $DIR/feature-gate-type_alias_impl_trait.rs:23:18
|
-LL | type Assoc = impl Debug;
- | ^^^^^^^^^^
+LL | type Foo3 = impl Debug;
+ | ---------- the found opaque type
+...
+LL | let y: i32 = x;
+ | --- ^ expected `i32`, found opaque type
+ | |
+ | expected due to this
|
- = 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
+ = note: expected type `i32`
+ found opaque type `impl Debug`
-error[E0658]: `impl Trait` in type aliases is unstable
- --> $DIR/feature-gate-type_alias_impl_trait.rs:29:24
+error[E0308]: mismatched types
+ --> $DIR/feature-gate-type_alias_impl_trait.rs:26:13
|
-LL | type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
- | ^^^^^^^^^^
+LL | type Foo3 = impl Debug;
+ | ---------- the expected opaque type
+...
+LL | define3(42)
+ | ^^ expected opaque type, found integer
|
- = 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
+ = note: expected opaque type `impl Debug`
+ found type `{integer}`
-error[E0658]: `impl Trait` in type aliases is unstable
- --> $DIR/feature-gate-type_alias_impl_trait.rs:29:37
+error[E0658]: type alias impl trait is not permitted here
+ --> $DIR/feature-gate-type_alias_impl_trait.rs:33:12
|
-LL | type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
- | ^^^^^^^^^^
+LL | let y: Foo4 = 42;
+ | ^^^^
|
- = 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-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
+ = note: see issue #63065 <https://github.com/rust-lang/rust/issues/63065> for more information
+ = help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
-error[E0658]: `impl Trait` in type aliases is unstable
- --> $DIR/feature-gate-type_alias_impl_trait.rs:29:70
- |
-LL | type NestedFree = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug>);
- | ^^^^^^^^^^
+error: could not find defining uses
+ --> $DIR/feature-gate-type_alias_impl_trait.rs:5:12
|
- = 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-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-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-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
+LL | type Foo = impl Debug;
+ | ^^^^^^^^^^
-error[E0658]: `impl Trait` in type aliases is unstable
- --> $DIR/feature-gate-type_alias_impl_trait.rs:40:67
- |
-LL | type Baa = (Vec<impl Debug>, impl Debug, impl Iterator<Item = impl Debug> + Debug);
- | ^^^^^^^^^^
+error: could not find defining uses
+ --> $DIR/feature-gate-type_alias_impl_trait.rs:19:13
|
- = 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
+LL | type Foo3 = impl Debug;
+ | ^^^^^^^^^^
-error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
- --> $DIR/feature-gate-type_alias_impl_trait.rs:23:18
+error: could not find defining uses
+ --> $DIR/feature-gate-type_alias_impl_trait.rs:29:13
|
-LL | type Assoc = impl Debug;
- | ^^^^^^^^^^
+LL | type Foo4 = impl Debug;
+ | ^^^^^^^^^^
-error: aborting due to 13 previous errors
+error: aborting due to 8 previous errors
-Some errors have detailed explanations: E0562, E0658.
-For more information about an error, try `rustc --explain E0562`.
+Some errors have detailed explanations: E0308, E0658.
+For more information about an error, try `rustc --explain E0308`.
projects / rustc.git / blobdiff