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error[E0658]: associated const equality is incomplete
--> $DIR/unconstrained_impl_param.rs:15:45
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LL | impl<U> Trait for () where (U,): AssocConst<A = { 0 }> {}
| ^^^^^^^^^
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= note: see issue #92827 <https://github.com/rust-lang/rust/issues/92827> for more information
= help: add `#![feature(associated_const_equality)]` 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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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[E0207]: the type parameter `U` is not constrained by the impl trait, self type, or predicates
--> $DIR/unconstrained_impl_param.rs:15:6
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LL | impl<U> Trait for () where (U,): AssocConst<A = { 0 }> {}
| ^ unconstrained type parameter
error[E0271]: type mismatch resolving `<(_,) as AssocConst>::A == 0`
--> $DIR/unconstrained_impl_param.rs:21:5
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LL | (): Trait,
| ^^^^^^^^^ expected `0`, found `<(_,) as AssocConst>::A`
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= note: expected constant `0`
found constant `<(_,) as AssocConst>::A`
note: required for `()` to implement `Trait`
--> $DIR/unconstrained_impl_param.rs:15:9
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LL | impl<U> Trait for () where (U,): AssocConst<A = { 0 }> {}
| ^^^^^ ^^ --------- unsatisfied trait bound introduced here
= help: see issue #48214
help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
|
LL + #![feature(trivial_bounds)]
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error: aborting due to 3 previous errors
Some errors have detailed explanations: E0207, E0271, E0658.
For more information about an error, try `rustc --explain E0207`.
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