1 #![feature(bool_to_option)]
3 #![cfg_attr(bootstrap, feature(const_if_match))]
4 #![feature(const_panic)]
5 #![feature(core_intrinsics)]
6 #![feature(hash_raw_entry)]
7 #![feature(min_specialization)]
8 #![feature(stmt_expr_attributes)]
13 extern crate rustc_data_structures;