error[E0658]: const generics are unstable | |
--> $DIR/const-param-in-trait-ungated.rs:1:19 | |
| | |
LL | trait Trait<const T: ()> {} | |
| ^ | |
| | |
= note: for more information, see https://github.com/rust-lang/rust/issues/44580 | |
= help: add `#![feature(const_generics)]` to the crate attributes to enable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |