1 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
2 #![feature(crate_visibility_modifier)]
3 #![feature(drain_filter)]
4 #![feature(in_band_lifetimes)]
7 #![feature(proc_macro_internals)]
8 #![feature(min_specialization)]
9 #![feature(try_blocks)]
10 #![feature(never_type)]
11 #![recursion_limit = "256"]
13 extern crate proc_macro;
16 extern crate rustc_macros;
18 extern crate rustc_middle;
20 extern crate rustc_data_structures;
22 pub use rmeta::{provide, provide_extern};
24 mod dependency_format;
33 pub use rmeta::METADATA_HEADER;