Rename AssocItemKind::TyAlias to AssocItemKind::Type

compiler/rustc_ast/src/ast.rs

@@ -2953,7 +2953,7 @@ pub enum AssocItemKind {
     /// An associated function.
     Fn(Box<Fn>),
     /// An associated type.
-    TyAlias(Box<TyAlias>),
+    Type(Box<TyAlias>),
     /// A macro expanding to associated items.
     MacCall(P<MacCall>),
 }
@@ -2963,7 +2963,7 @@ impl AssocItemKind {
         match *self {
             Self::Const(defaultness, ..)
             | Self::Fn(box Fn { defaultness, .. })
-            | Self::TyAlias(box TyAlias { defaultness, .. }) => defaultness,
+            | Self::Type(box TyAlias { defaultness, .. }) => defaultness,
             Self::MacCall(..) => Defaultness::Final,
         }
     }
@@ -2974,7 +2974,7 @@ impl From<AssocItemKind> for ItemKind {
         match assoc_item_kind {
             AssocItemKind::Const(a, b, c) => ItemKind::Const(a, b, c),
             AssocItemKind::Fn(fn_kind) => ItemKind::Fn(fn_kind),
-            AssocItemKind::TyAlias(ty_alias_kind) => ItemKind::TyAlias(ty_alias_kind),
+            AssocItemKind::Type(ty_alias_kind) => ItemKind::TyAlias(ty_alias_kind),
             AssocItemKind::MacCall(a) => ItemKind::MacCall(a),
         }
     }
@@ -2987,7 +2987,7 @@ impl TryFrom<ItemKind> for AssocItemKind {
         Ok(match item_kind {
             ItemKind::Const(a, b, c) => AssocItemKind::Const(a, b, c),
             ItemKind::Fn(fn_kind) => AssocItemKind::Fn(fn_kind),
-            ItemKind::TyAlias(ty_alias_kind) => AssocItemKind::TyAlias(ty_alias_kind),
+            ItemKind::TyAlias(ty_kind) => AssocItemKind::Type(ty_kind),
             ItemKind::MacCall(a) => AssocItemKind::MacCall(a),
             _ => return Err(item_kind),
         })

compiler/rustc_ast/src/mut_visit.rs

@@ -1106,7 +1106,7 @@ pub fn noop_flat_map_assoc_item<T: MutVisitor>(
             visit_fn_sig(sig, visitor);
             visit_opt(body, |body| visitor.visit_block(body));
         }
-        AssocItemKind::TyAlias(box TyAlias {
+        AssocItemKind::Type(box TyAlias {
             defaultness,
             generics,
             where_clauses,

compiler/rustc_ast/src/visit.rs

@@ -685,7 +685,7 @@ pub fn walk_assoc_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a AssocItem,
             let kind = FnKind::Fn(FnCtxt::Assoc(ctxt), ident, sig, vis, generics, body.as_deref());
             visitor.visit_fn(kind, span, id);
         }
-        AssocItemKind::TyAlias(box TyAlias { generics, bounds, ty, .. }) => {
+        AssocItemKind::Type(box TyAlias { generics, bounds, ty, .. }) => {
             visitor.visit_generics(generics);
             walk_list!(visitor, visit_param_bound, bounds, BoundKind::Bound);
             walk_list!(visitor, visit_ty, ty);

compiler/rustc_ast_lowering/src/item.rs

@@ -804,7 +804,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
                 );
                 (generics, hir::TraitItemKind::Fn(sig, hir::TraitFn::Provided(body_id)), true)
             }
-            AssocItemKind::TyAlias(box TyAlias {
+            AssocItemKind::Type(box TyAlias {
                 ref generics,
                 where_clauses,
                 ref bounds,
@@ -850,7 +850,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
     fn lower_trait_item_ref(&mut self, i: &AssocItem) -> hir::TraitItemRef {
         let kind = match &i.kind {
             AssocItemKind::Const(..) => hir::AssocItemKind::Const,
-            AssocItemKind::TyAlias(..) => hir::AssocItemKind::Type,
+            AssocItemKind::Type(..) => hir::AssocItemKind::Type,
             AssocItemKind::Fn(box Fn { sig, .. }) => {
                 hir::AssocItemKind::Fn { has_self: sig.decl.has_self() }
             }
@@ -898,7 +898,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
 
                 (generics, hir::ImplItemKind::Fn(sig, body_id))
             }
-            AssocItemKind::TyAlias(box TyAlias { generics, where_clauses, ty, .. }) => {
+            AssocItemKind::Type(box TyAlias { generics, where_clauses, ty, .. }) => {
                 let mut generics = generics.clone();
                 add_ty_alias_where_clause(&mut generics, *where_clauses, false);
                 self.lower_generics(
@@ -941,7 +941,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
             span: self.lower_span(i.span),
             kind: match &i.kind {
                 AssocItemKind::Const(..) => hir::AssocItemKind::Const,
-                AssocItemKind::TyAlias(..) => hir::AssocItemKind::Type,
+                AssocItemKind::Type(..) => hir::AssocItemKind::Type,
                 AssocItemKind::Fn(box Fn { sig, .. }) => {
                     hir::AssocItemKind::Fn { has_self: sig.decl.has_self() }
                 }

compiler/rustc_ast_passes/src/ast_validation.rs

@@ -1556,7 +1556,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                         });
                     }
                 }
-                AssocItemKind::TyAlias(box TyAlias {
+                AssocItemKind::Type(box TyAlias {
                     generics,
                     where_clauses,
                     where_predicates_split,
@@ -1595,7 +1595,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
         }
 
         match item.kind {
-            AssocItemKind::TyAlias(box TyAlias { ref generics, ref bounds, ref ty, .. })
+            AssocItemKind::Type(box TyAlias { ref generics, ref bounds, ref ty, .. })
                 if ctxt == AssocCtxt::Trait =>
             {
                 self.visit_vis(&item.vis);

compiler/rustc_ast_passes/src/feature_gate.rs

@@ -517,7 +517,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
     fn visit_assoc_item(&mut self, i: &'a ast::AssocItem, ctxt: AssocCtxt) {
         let is_fn = match i.kind {
             ast::AssocItemKind::Fn(_) => true,
-            ast::AssocItemKind::TyAlias(box ast::TyAlias { ref ty, .. }) => {
+            ast::AssocItemKind::Type(box ast::TyAlias { ref ty, .. }) => {
                 if let (Some(_), AssocCtxt::Trait) = (ty, ctxt) {
                     gate_feature_post!(
                         &self,

compiler/rustc_ast_pretty/src/pprust/state/item.rs

@@ -516,7 +516,7 @@ impl<'a> State<'a> {
             ast::AssocItemKind::Const(def, ty, body) => {
                 self.print_item_const(ident, None, ty, body.as_deref(), vis, *def);
             }
-            ast::AssocItemKind::TyAlias(box ast::TyAlias {
+            ast::AssocItemKind::Type(box ast::TyAlias {
                 defaultness,
                 generics,
                 where_clauses,

compiler/rustc_builtin_macros/src/deriving/generic/mod.rs

@@ -566,7 +566,7 @@ impl<'a> TraitDef<'a> {
                     tokens: None,
                 },
                 attrs: ast::AttrVec::new(),
-                kind: ast::AssocItemKind::TyAlias(Box::new(ast::TyAlias {
+                kind: ast::AssocItemKind::Type(Box::new(ast::TyAlias {
                     defaultness: ast::Defaultness::Final,
                     generics: Generics::default(),
                     where_clauses: (

compiler/rustc_lint/src/nonstandard_style.rs

@@ -187,7 +187,7 @@ impl EarlyLintPass for NonCamelCaseTypes {
     }
 
     fn check_trait_item(&mut self, cx: &EarlyContext<'_>, it: &ast::AssocItem) {
-        if let ast::AssocItemKind::TyAlias(..) = it.kind {
+        if let ast::AssocItemKind::Type(..) = it.kind {
             self.check_case(cx, "associated type", &it.ident);
         }
     }

compiler/rustc_passes/src/hir_stats.rs

@@ -620,7 +620,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
     fn visit_assoc_item(&mut self, i: &'v ast::AssocItem, ctxt: ast_visit::AssocCtxt) {
         record_variants!(
             (self, i, i.kind, Id::None, ast, AssocItem, AssocItemKind),
-            [Const, Fn, TyAlias, MacCall]
+            [Const, Fn, Type, MacCall]
         );
         ast_visit::walk_assoc_item(self, i, ctxt);
     }

compiler/rustc_resolve/src/build_reduced_graph.rs

@@ -1425,7 +1425,7 @@ impl<'a, 'b> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b> {
                     }
                     (DefKind::AssocFn, ValueNS)
                 }
-                AssocItemKind::TyAlias(..) => (DefKind::AssocTy, TypeNS),
+                AssocItemKind::Type(..) => (DefKind::AssocTy, TypeNS),
                 AssocItemKind::MacCall(_) => bug!(), // handled above
             };
 

compiler/rustc_resolve/src/def_collector.rs

@@ -239,7 +239,7 @@ impl<'a, 'b> visit::Visitor<'a> for DefCollector<'a, 'b> {
     fn visit_assoc_item(&mut self, i: &'a AssocItem, ctxt: visit::AssocCtxt) {
         let def_data = match &i.kind {
             AssocItemKind::Fn(..) | AssocItemKind::Const(..) => DefPathData::ValueNs(i.ident.name),
-            AssocItemKind::TyAlias(..) => DefPathData::TypeNs(i.ident.name),
+            AssocItemKind::Type(..) => DefPathData::TypeNs(i.ident.name),
             AssocItemKind::MacCall(..) => return self.visit_macro_invoc(i.id),
         };
 

compiler/rustc_resolve/src/late.rs

@@ -2498,7 +2498,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
                 AssocItemKind::Fn(box Fn { generics, .. }) => {
                     walk_assoc_item(self, generics, LifetimeBinderKind::Function, item);
                 }
-                AssocItemKind::TyAlias(box TyAlias { generics, .. }) => self
+                AssocItemKind::Type(box TyAlias { generics, .. }) => self
                     .with_lifetime_rib(LifetimeRibKind::AnonymousReportError, |this| {
                         walk_assoc_item(this, generics, LifetimeBinderKind::Item, item)
                     }),
@@ -2694,8 +2694,8 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
                     },
                 );
             }
-            AssocItemKind::TyAlias(box TyAlias { generics, .. }) => {
-                debug!("resolve_implementation AssocItemKind::TyAlias");
+            AssocItemKind::Type(box TyAlias { generics, .. }) => {
+                debug!("resolve_implementation AssocItemKind::Type");
                 // We also need a new scope for the impl item type parameters.
                 self.with_generic_param_rib(
                     &generics.params,
@@ -2770,7 +2770,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
         let res = binding.res();
         let Res::Def(def_kind, _) = res else { bug!() };
         match (def_kind, kind) {
-            (DefKind::AssocTy, AssocItemKind::TyAlias(..))
+            (DefKind::AssocTy, AssocItemKind::Type(..))
             | (DefKind::AssocFn, AssocItemKind::Fn(..))
             | (DefKind::AssocConst, AssocItemKind::Const(..)) => {
                 self.r.record_partial_res(id, PartialRes::new(res));
@@ -2784,7 +2784,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
         let (code, kind) = match kind {
             AssocItemKind::Const(..) => (rustc_errors::error_code!(E0323), "const"),
             AssocItemKind::Fn(..) => (rustc_errors::error_code!(E0324), "method"),
-            AssocItemKind::TyAlias(..) => (rustc_errors::error_code!(E0325), "type"),
+            AssocItemKind::Type(..) => (rustc_errors::error_code!(E0325), "type"),
             AssocItemKind::MacCall(..) => span_bug!(span, "unexpanded macro"),
         };
         let trait_path = path_names_to_string(path);

compiler/rustc_resolve/src/late/diagnostics.rs

@@ -1482,7 +1482,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
             .filter(|(_, res)| match (kind, res) {
                 (AssocItemKind::Const(..), Res::Def(DefKind::AssocConst, _)) => true,
                 (AssocItemKind::Fn(_), Res::Def(DefKind::AssocFn, _)) => true,
-                (AssocItemKind::TyAlias(..), Res::Def(DefKind::AssocTy, _)) => true,
+                (AssocItemKind::Type(..), Res::Def(DefKind::AssocTy, _)) => true,
                 _ => false,
             })
             .map(|(key, _)| key.ident.name)
@@ -1546,7 +1546,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
                             AssocSuggestion::MethodWithSelf
                         }
                         ast::AssocItemKind::Fn(..) => AssocSuggestion::AssocFn,
-                        ast::AssocItemKind::TyAlias(..) => AssocSuggestion::AssocType,
+                        ast::AssocItemKind::Type(..) => AssocSuggestion::AssocType,
                         ast::AssocItemKind::MacCall(_) => continue,
                     });
                 }

src/test/ui/stats/hir-stats.stderr

@@ -26,7 +26,7 @@ ast-stats-1 Block                    288 ( 3.4%)             6            48
 ast-stats-1 GenericBound             352 ( 4.2%)             4            88
 ast-stats-1 - Trait                    352 ( 4.2%)             4
 ast-stats-1 AssocItem                416 ( 4.9%)             4           104
-ast-stats-1 - TyAlias                  208 ( 2.5%)             2
+ast-stats-1 - Type                     208 ( 2.5%)             2
 ast-stats-1 - Fn                       208 ( 2.5%)             2
 ast-stats-1 GenericParam             480 ( 5.7%)             5            96
 ast-stats-1 PathSegment              720 ( 8.6%)            30            24
@@ -84,7 +84,7 @@ ast-stats-2 Block                    288 ( 3.1%)             6            48
 ast-stats-2 GenericBound             352 ( 3.8%)             4            88
 ast-stats-2 - Trait                    352 ( 3.8%)             4
 ast-stats-2 AssocItem                416 ( 4.5%)             4           104
-ast-stats-2 - TyAlias                  208 ( 2.3%)             2
+ast-stats-2 - Type                     208 ( 2.3%)             2
 ast-stats-2 - Fn                       208 ( 2.3%)             2
 ast-stats-2 GenericParam             480 ( 5.2%)             5            96
 ast-stats-2 PathSegment              792 ( 8.7%)            33            24

src/tools/clippy/clippy_utils/src/ast_utils.rs

@@ -438,14 +438,14 @@ pub fn eq_assoc_item_kind(l: &AssocItemKind, r: &AssocItemKind) -> bool {
             eq_defaultness(*ld, *rd) && eq_fn_sig(lf, rf) && eq_generics(lg, rg) && both(lb, rb, |l, r| eq_block(l, r))
         },
         (
-            TyAlias(box ast::TyAlias {
+            Type(box ast::TyAlias {
                 defaultness: ld,
                 generics: lg,
                 bounds: lb,
                 ty: lt,
                 ..
             }),
-            TyAlias(box ast::TyAlias {
+            Type(box ast::TyAlias {
                 defaultness: rd,
                 generics: rg,
                 bounds: rb,

src/tools/rustfmt/src/items.rs

@@ -594,7 +594,7 @@ impl<'a> FmtVisitor<'a> {
             let both_type = |l: &TyOpt, r: &TyOpt| is_type(l) && is_type(r);
             let both_opaque = |l: &TyOpt, r: &TyOpt| is_opaque(l) && is_opaque(r);
             let need_empty_line = |a: &ast::AssocItemKind, b: &ast::AssocItemKind| match (a, b) {
-                (TyAlias(lty), TyAlias(rty))
+                (Type(lty), Type(rty))
                     if both_type(&lty.ty, &rty.ty) || both_opaque(&lty.ty, &rty.ty) =>
                 {
                     false
@@ -612,7 +612,7 @@ impl<'a> FmtVisitor<'a> {
             }
 
             buffer.sort_by(|(_, a), (_, b)| match (&a.kind, &b.kind) {
-                (TyAlias(lty), TyAlias(rty))
+                (Type(lty), Type(rty))
                     if both_type(&lty.ty, &rty.ty) || both_opaque(&lty.ty, &rty.ty) =>
                 {
                     a.ident.as_str().cmp(b.ident.as_str())
@@ -621,10 +621,10 @@ impl<'a> FmtVisitor<'a> {
                     a.ident.as_str().cmp(b.ident.as_str())
                 }
                 (Fn(..), Fn(..)) => a.span.lo().cmp(&b.span.lo()),
-                (TyAlias(ty), _) if is_type(&ty.ty) => Ordering::Less,
-                (_, TyAlias(ty)) if is_type(&ty.ty) => Ordering::Greater,
-                (TyAlias(..), _) => Ordering::Less,
-                (_, TyAlias(..)) => Ordering::Greater,
+                (Type(ty), _) if is_type(&ty.ty) => Ordering::Less,
+                (_, Type(ty)) if is_type(&ty.ty) => Ordering::Greater,
+                (Type(..), _) => Ordering::Less,
+                (_, Type(..)) => Ordering::Greater,
                 (Const(..), _) => Ordering::Less,
                 (_, Const(..)) => Ordering::Greater,
                 (MacCall(..), _) => Ordering::Less,

src/tools/rustfmt/src/visitor.rs

@@ -660,7 +660,7 @@ impl<'b, 'a: 'b> FmtVisitor<'a> {
                     self.push_rewrite(ai.span, rewrite);
                 }
             }
-            (ast::AssocItemKind::TyAlias(ref ty_alias), _) => {
+            (ast::AssocItemKind::Type(ref ty_alias), _) => {
                 self.visit_ty_alias_kind(ty_alias, visitor_kind, ai.span);
             }
             (ast::AssocItemKind::MacCall(ref mac), _) => {