1 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
2 #![feature(crate_visibility_modifier)]
3 #![feature(drain_filter)]
4 #![feature(generators)]
8 #![feature(proc_macro_internals)]
9 #![feature(macro_metavar_expr)]
10 #![feature(min_specialization)]
11 #![feature(slice_as_chunks)]
12 #![feature(try_blocks)]
13 #![feature(never_type)]
14 #![recursion_limit = "256"]
15 #![allow(rustc::potential_query_instability)]
17 extern crate proc_macro;
20 extern crate rustc_macros;
22 extern crate rustc_middle;
24 extern crate rustc_data_structures;
26 pub use rmeta::{provide, provide_extern};
28 mod dependency_format;
36 pub use rmeta::{encode_metadata, EncodedMetadata, METADATA_HEADER};