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authorbors <bors@rust-lang.org>2024-10-23 12:16:41 +0000
committerbors <bors@rust-lang.org>2024-10-23 12:16:41 +0000
commitbe01dabfefd2daa4574b974f571c7852085d60cb (patch)
treef8efa24426133446fa9c3a55be505d55e3045a5b /compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs
parentffd978b7bf4ccdc74fe6c1b048d253eb3f3aa341 (diff)
parent44638853f545632c68d9a85f85df3418ae09f248 (diff)
downloadrust-be01dabfefd2daa4574b974f571c7852085d60cb.tar.gz
rust-be01dabfefd2daa4574b974f571c7852085d60cb.zip
Auto merge of #132027 - RalfJung:lang-feature-bool-fields, r=nnethercote
nightly feature tracking: get rid of the per-feature bool fields

The `struct Features` that tracks which features are enabled has a ton of public `bool`-typed fields that are basically caching the result of looking up the corresponding feature in `enabled_lang_features`. Having public fields with an invariant is not great, so at least they should be made private. However, it turns out caching these lookups is actually [not worth it](https://github.com/rust-lang/rust/pull/131321#issuecomment-2402068336), so this PR just entirely gets rid of these fields. (The alternative would be to make them private and have a method for each of them to expose them in a read-only way. Most of the diff of this PR would be the same in that case.)

r? `@nnethercote`
Diffstat (limited to 'compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs')
-rw-r--r--compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs
index 364a13b3a75..cc0450e0b05 100644
--- a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs
+++ b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs
@@ -254,7 +254,7 @@ fn super_predicates_have_non_lifetime_binders(
     trait_def_id: DefId,
 ) -> SmallVec<[Span; 1]> {
     // If non_lifetime_binders is disabled, then exit early
-    if !tcx.features().non_lifetime_binders {
+    if !tcx.features().non_lifetime_binders() {
         return SmallVec::new();
     }
     tcx.explicit_super_predicates_of(trait_def_id)
@@ -327,7 +327,7 @@ pub fn dyn_compatibility_violations_for_assoc_item(
             .collect(),
         // Associated types can only be dyn-compatible if they have `Self: Sized` bounds.
         ty::AssocKind::Type => {
-            if !tcx.features().generic_associated_types_extended
+            if !tcx.features().generic_associated_types_extended()
                 && !tcx.generics_of(item.def_id).is_own_empty()
                 && !item.is_impl_trait_in_trait()
             {