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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 /src/tools
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 'src/tools')
-rw-r--r--src/tools/clippy/clippy_lints/src/empty_enum.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs2
3 files changed, 3 insertions, 3 deletions
diff --git a/src/tools/clippy/clippy_lints/src/empty_enum.rs b/src/tools/clippy/clippy_lints/src/empty_enum.rs
index 70eb81fa09c..b0389fd9a2f 100644
--- a/src/tools/clippy/clippy_lints/src/empty_enum.rs
+++ b/src/tools/clippy/clippy_lints/src/empty_enum.rs
@@ -64,7 +64,7 @@ impl LateLintPass<'_> for EmptyEnum {
     fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
         if let ItemKind::Enum(..) = item.kind
             // Only suggest the `never_type` if the feature is enabled
-            && cx.tcx.features().never_type
+            && cx.tcx.features().never_type()
             && let Some(adt) = cx.tcx.type_of(item.owner_id).instantiate_identity().ty_adt_def()
             && adt.variants().is_empty()
         {
diff --git a/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs b/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs
index f9ffbc5dc0b..20984bc40ca 100644
--- a/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs
+++ b/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs
@@ -114,7 +114,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) {
     let indexed_arms: Vec<(usize, &Arm<'_>)> = arms.iter().enumerate().collect();
     for (&(i, arm1), &(j, arm2)) in search_same(&indexed_arms, hash, eq) {
         if matches!(arm2.pat.kind, PatKind::Wild) {
-            if !cx.tcx.features().non_exhaustive_omitted_patterns_lint
+            if !cx.tcx.features().non_exhaustive_omitted_patterns_lint()
                 || is_lint_allowed(cx, NON_EXHAUSTIVE_OMITTED_PATTERNS, arm2.hir_id)
             {
                 let arm_span = adjusted_arm_span(cx, arm1.span);
diff --git a/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs b/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs
index 564c598a334..42d9efe4ff6 100644
--- a/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs
+++ b/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs
@@ -251,7 +251,7 @@ fn emit_redundant_guards<'tcx>(
 fn expr_can_be_pat(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
     for_each_expr_without_closures(expr, |expr| {
         if match expr.kind {
-            ExprKind::ConstBlock(..) => cx.tcx.features().inline_const_pat,
+            ExprKind::ConstBlock(..) => cx.tcx.features().inline_const_pat(),
             ExprKind::Call(c, ..) if let ExprKind::Path(qpath) = c.kind => {
                 // Allow ctors
                 matches!(cx.qpath_res(&qpath, c.hir_id), Res::Def(DefKind::Ctor(..), ..))