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error[E0658]: use of unstable library feature `type_alias_impl_trait`: `type_alias_impl_trait` has open design concerns
--> $DIR/ice-unhandled-type-122191.rs:6:3
|
LL | #[define_opaque(Foo)]
| ^^^^^^^^^^^^^
|
= 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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/ice-unhandled-type-122191.rs:1:12
|
LL | type Foo = impl Send;
| ^^^^^^^^^
|
= 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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0425]: cannot find function `value` in this scope
--> $DIR/ice-unhandled-type-122191.rs:9:5
|
LL | value()
| ^^^^^ help: a constant with a similar name exists: `VALUE`
...
LL | const VALUE: Foo = foo();
| ------------------------- similarly named constant `VALUE` defined here
error[E0308]: mismatched types
--> $DIR/ice-unhandled-type-122191.rs:17:9
|
LL | type Foo = impl Send;
| --------- the expected opaque type
...
LL | match VALUE {
| ----- this expression has type `Foo`
LL | 0 | 0 => {}
| ^ expected opaque type, found integer
|
= note: expected opaque type `Foo`
found type `{integer}`
note: this item must have a `#[define_opaque(Foo)]` attribute to be able to define hidden types
--> $DIR/ice-unhandled-type-122191.rs:15:4
|
LL | fn test() {
| ^^^^
error[E0308]: mismatched types
--> $DIR/ice-unhandled-type-122191.rs:17:13
|
LL | type Foo = impl Send;
| --------- the expected opaque type
...
LL | match VALUE {
| ----- this expression has type `Foo`
LL | 0 | 0 => {}
| ^ expected opaque type, found integer
|
= note: expected opaque type `Foo`
found type `{integer}`
note: this item must have a `#[define_opaque(Foo)]` attribute to be able to define hidden types
--> $DIR/ice-unhandled-type-122191.rs:15:4
|
LL | fn test() {
| ^^^^
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0308, E0425, E0658.
For more information about an error, try `rustc --explain E0308`.
|
