error[E0658]: const generics are unstable | |
--> $DIR/issue-60263.rs:1:16 | |
| | |
LL | struct B<const I: u8>; | |
| ^ | |
| | |
= 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`. |