error: expected lifetime, type, or constant, found keyword `const` --> $DIR/issue-89013.rs:9:14 | LL | impl Foo for Bar { | ^^^^^ | help: the `const` keyword is only needed in the definition of the type | LL - impl Foo for Bar { LL + impl Foo for Bar { | error[E0658]: associated const equality is incomplete --> $DIR/issue-89013.rs:9:10 | LL | impl Foo for Bar { | ^^^^^^^^^^^ | = note: see issue #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to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0229]: associated item constraints are not allowed here --> $DIR/issue-89013.rs:9:10 | LL | impl Foo for Bar { | ^^^^^^^^^^^ associated item constraint not allowed here | help: to use `3` as a generic argument specify it directly | LL | impl Foo<3> for Bar { | ~ error: aborting due to 3 previous errors Some errors have detailed explanations: E0229, E0658. For more information about an error, try `rustc --explain E0229`.