| warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes | |
| --> $DIR/generic_params.rs:6:37 | |
| | | |
| LL | #![feature(decl_macro, rustc_attrs, const_generics)] | |
| | ^^^^^^^^^^^^^^ | |
| | | |
| = note: `#[warn(incomplete_features)]` on by default | |
| = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information | |
| warning: 1 warning emitted | |