| error: generic parameters may not be used in const operations | |
| --> $DIR/selftyparam.rs:5:37 | |
| | | |
| LL | fn foo() -> [(); const { let _: Self; 1 }]; | |
| | ^^^^ | |
| | | |
| = help: add `#![feature(generic_const_args)]` and extract the expression into a `type const` item | |
| error: aborting due to 1 previous error | |