5 //! This API is completely unstable and subject to change.
7 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
8 #![feature(bool_to_option)]
9 #![feature(in_band_lifetimes)]
11 #![recursion_limit = "256"]
18 use rustc::ty::query::Providers;
22 pub fn provide(providers: &mut Providers<'_>) {
23 ty::provide(providers);