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error: unconstrained opaque type
--> $DIR/normalize-tait-in-const.rs:14:26
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LL | pub type Alias<'a> = impl T<Item = &'a ()>;
| ^^^^^^^^^^^^^^^^^^^^^
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= note: `Alias` must be used in combination with a concrete type within the same crate
error[E0308]: mismatched types
--> $DIR/normalize-tait-in-const.rs:22:9
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LL | pub type Alias<'a> = impl T<Item = &'a ()>;
| --------------------- the expected opaque type
...
LL | pub const fn filter_positive<'a>() -> &'a Alias<'a> {
| ------------- expected `&'a foo::Alias<'a>` because of return type
LL | &&S
| ^^^ expected `&Alias<'_>`, found `&&S`
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= note: expected reference `&'a foo::Alias<'a>`
found reference `&&S`
note: this item must have a `#[define_opaque(foo::Alias)]` attribute to be able to define hidden types
--> $DIR/normalize-tait-in-const.rs:21:18
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LL | pub const fn filter_positive<'a>() -> &'a Alias<'a> {
| ^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0308`.
|
