| #![feature(allow_internal_unstable)] | |
| #![feature(const_fn)] | |
| #![feature(const_panic)] | |
| #![feature(extend_one)] | |
| #![feature(unboxed_closures)] | |
| #![feature(test)] | |
| #![feature(fn_traits)] | |
| pub mod bit_set; | |
| pub mod vec; | |
| // FIXME(#56935): Work around ICEs during cross-compilation. | |
| #[allow(unused)] | |
| extern crate rustc_macros; |