1 pub mod codegen_fn_attrs;
2 pub mod dependency_format;
3 pub mod exported_symbols;
6 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
7 use rustc_span::symbol::Symbol;
9 #[derive(HashStable, Debug)]
10 pub struct LibFeatures {
11 // A map from feature to stabilisation version.
12 pub stable: FxHashMap<Symbol, Symbol>,
13 pub unstable: FxHashSet<Symbol>,
17 pub fn to_vec(&self) -> Vec<(Symbol, Option<Symbol>)> {
18 let mut all_features: Vec<_> = self
21 .map(|(f, s)| (*f, Some(*s)))
22 .chain(self.unstable.iter().map(|f| (*f, None)))
24 all_features.sort_unstable_by(|a, b| a.0.as_str().partial_cmp(b.0.as_str()).unwrap());
32 pub mod resolve_lifetime;
35 pub fn provide(providers: &mut crate::ty::query::Providers) {
36 limits::provide(providers);