1 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
2 #![feature(decl_macro)]
3 #![feature(drain_filter)]
4 #![feature(generators)]
5 #![feature(generic_associated_types)]
6 #![feature(iter_from_generator)]
7 #![feature(let_chains)]
10 #![feature(proc_macro_internals)]
11 #![feature(macro_metavar_expr)]
12 #![feature(min_specialization)]
13 #![feature(slice_as_chunks)]
14 #![feature(trusted_len)]
15 #![feature(try_blocks)]
16 #![feature(never_type)]
17 #![recursion_limit = "256"]
18 #![allow(rustc::potential_query_instability)]
20 extern crate proc_macro;
23 extern crate rustc_macros;
25 extern crate rustc_middle;
27 extern crate rustc_data_structures;
29 pub use rmeta::{provide, provide_extern};
31 mod dependency_format;
39 pub use rmeta::{encode_metadata, EncodedMetadata, METADATA_HEADER};