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)]
10 #![recursion_limit = "256"]
17 use rustc::ty::query::Providers;
23 pub fn provide(providers: &mut Providers<'_>) {
24 common_traits::provide(providers);
25 needs_drop::provide(providers);
26 ty::provide(providers);