rust-analyzer guided tuple field to named field

compiler/rustc_ast/src/ast.rs

@@ -2891,7 +2891,11 @@ pub struct Fn {
 }
 
 #[derive(Clone, Encodable, Decodable, Debug)]
-pub struct Static(pub P<Ty>, pub Mutability, pub Option<P<Expr>>);
+pub struct Static {
+    pub ty: P<Ty>,
+    pub mutability: Mutability,
+    pub expr: Option<P<Expr>>,
+}
 
 #[derive(Clone, Encodable, Decodable, Debug)]
 pub enum ItemKind {
@@ -2978,7 +2982,7 @@ impl ItemKind {
         match self {
             ItemKind::ExternCrate(..) => "extern crate",
             ItemKind::Use(..) => "`use` import",
-            ItemKind::Static(Static(..)) => "static item",
+            ItemKind::Static(..) => "static item",
             ItemKind::Const(..) => "constant item",
             ItemKind::Fn(..) => "function",
             ItemKind::Mod(..) => "module",
@@ -3087,7 +3091,9 @@ pub enum ForeignItemKind {
 impl From<ForeignItemKind> for ItemKind {
     fn from(foreign_item_kind: ForeignItemKind) -> ItemKind {
         match foreign_item_kind {
-            ForeignItemKind::Static(a, b, c) => ItemKind::Static(Static(a, b, c)),
+            ForeignItemKind::Static(a, b, c) => {
+                ItemKind::Static(Static { ty: a, mutability: b, expr: c })
+            }
             ForeignItemKind::Fn(fn_kind) => ItemKind::Fn(fn_kind),
             ForeignItemKind::TyAlias(ty_alias_kind) => ItemKind::TyAlias(ty_alias_kind),
             ForeignItemKind::MacCall(a) => ItemKind::MacCall(a),
@@ -3100,7 +3106,9 @@ impl TryFrom<ItemKind> for ForeignItemKind {
 
     fn try_from(item_kind: ItemKind) -> Result<ForeignItemKind, ItemKind> {
         Ok(match item_kind {
-            ItemKind::Static(Static(a, b, c)) => ForeignItemKind::Static(a, b, c),
+            ItemKind::Static(Static { ty: a, mutability: b, expr: c }) => {
+                ForeignItemKind::Static(a, b, c)
+            }
             ItemKind::Fn(fn_kind) => ForeignItemKind::Fn(fn_kind),
             ItemKind::TyAlias(ty_alias_kind) => ForeignItemKind::TyAlias(ty_alias_kind),
             ItemKind::MacCall(a) => ForeignItemKind::MacCall(a),

compiler/rustc_ast/src/mut_visit.rs

@@ -1030,7 +1030,7 @@ pub fn noop_visit_item_kind<T: MutVisitor>(kind: &mut ItemKind, vis: &mut T) {
     match kind {
         ItemKind::ExternCrate(_orig_name) => {}
         ItemKind::Use(use_tree) => vis.visit_use_tree(use_tree),
-        ItemKind::Static(Static(ty, _, expr)) => {
+        ItemKind::Static(Static { ty, mutability: _, expr }) => {
             vis.visit_ty(ty);
             visit_opt(expr, |expr| vis.visit_expr(expr));
         }

compiler/rustc_ast/src/visit.rs

@@ -305,7 +305,8 @@ pub fn walk_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a Item) {
     match &item.kind {
         ItemKind::ExternCrate(_) => {}
         ItemKind::Use(use_tree) => visitor.visit_use_tree(use_tree, item.id, false),
-        ItemKind::Static(Static(typ, _, expr)) | ItemKind::Const(_, typ, expr) => {
+        ItemKind::Static(Static { ty: typ, mutability: _, expr })
+        | ItemKind::Const(_, typ, expr) => {
             visitor.visit_ty(typ);
             walk_list!(visitor, visit_expr, expr);
         }

compiler/rustc_ast_lowering/src/item.rs

@@ -229,7 +229,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
 
                 self.lower_use_tree(use_tree, &prefix, id, vis_span, ident, attrs)
             }
-            ItemKind::Static(ast::Static(t, m, e)) => {
+            ItemKind::Static(ast::Static { ty: t, mutability: m, expr: e }) => {
                 let (ty, body_id) = self.lower_const_item(t, span, e.as_deref());
                 hir::ItemKind::Static(ty, *m, body_id)
             }

compiler/rustc_ast_passes/src/ast_validation.rs

@@ -990,7 +990,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                     replace_span: self.ending_semi_or_hi(item.span),
                 });
             }
-            ItemKind::Static(Static(.., None)) => {
+            ItemKind::Static(Static { expr: None, .. }) => {
                 self.session.emit_err(errors::StaticWithoutBody {
                     span: item.span,
                     replace_span: self.ending_semi_or_hi(item.span),

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

@@ -157,7 +157,7 @@ impl<'a> State<'a> {
                 self.print_use_tree(tree);
                 self.word(";");
             }
-            ast::ItemKind::Static(Static(ty, mutbl, body)) => {
+            ast::ItemKind::Static(Static { ty, mutability: mutbl, expr: body }) => {
                 let def = ast::Defaultness::Final;
                 self.print_item_const(
                     item.ident,

compiler/rustc_builtin_macros/src/global_allocator.rs

@@ -25,12 +25,12 @@ pub fn expand(
     // FIXME - if we get deref patterns, use them to reduce duplication here
     let (item, is_stmt, ty_span) =
         if let Annotatable::Item(item) = &item
-            && let ItemKind::Static(ast::Static(ty, ..)) = &item.kind
+            && let ItemKind::Static(ast::Static { ty, ..}) = &item.kind
         {
             (item, false, ecx.with_def_site_ctxt(ty.span))
         } else if let Annotatable::Stmt(stmt) = &item
             && let StmtKind::Item(item) = &stmt.kind
-            && let ItemKind::Static(ast::Static(ty, ..)) = &item.kind
+            && let ItemKind::Static(ast::Static { ty, ..}) = &item.kind
         {
             (item, true, ecx.with_def_site_ctxt(ty.span))
         } else {

compiler/rustc_expand/src/build.rs

@@ -620,14 +620,14 @@ impl<'a> ExtCtxt<'a> {
         span: Span,
         name: Ident,
         ty: P<ast::Ty>,
-        mutbl: ast::Mutability,
+        mutability: ast::Mutability,
         expr: P<ast::Expr>,
     ) -> P<ast::Item> {
         self.item(
             span,
             name,
             AttrVec::new(),
-            ast::ItemKind::Static(ast::Static(ty, mutbl, Some(expr))),
+            ast::ItemKind::Static(ast::Static { ty, mutability, expr: Some(expr) }),
         )
     }
 

compiler/rustc_lint/src/builtin.rs

@@ -43,7 +43,6 @@ use crate::{
     types::{transparent_newtype_field, CItemKind},
     EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext,
 };
-use ast::Static;
 use hir::IsAsync;
 use rustc_ast::attr;
 use rustc_ast::tokenstream::{TokenStream, TokenTree};
@@ -371,7 +370,7 @@ impl EarlyLintPass for UnsafeCode {
                 }
             }
 
-            ast::ItemKind::Static(Static(..)) => {
+            ast::ItemKind::Static(..) => {
                 if let Some(attr) = attr::find_by_name(&it.attrs, sym::no_mangle) {
                     self.report_unsafe(cx, attr.span, BuiltinUnsafe::NoMangleStatic);
                 }

compiler/rustc_lint/src/unused.rs

@@ -805,7 +805,7 @@ trait UnusedDelimLint {
     fn check_item(&mut self, cx: &EarlyContext<'_>, item: &ast::Item) {
         use ast::ItemKind::*;
 
-        if let Const(.., Some(expr)) | Static(ast::Static(.., Some(expr))) = &item.kind {
+        if let Const(.., Some(expr)) | Static(ast::Static { expr: Some(expr), .. }) = &item.kind {
             self.check_unused_delims_expr(
                 cx,
                 expr,

compiler/rustc_parse/src/parser/item.rs

@@ -228,7 +228,7 @@ impl<'a> Parser<'a> {
             self.bump(); // `static`
             let m = self.parse_mutability();
             let (ident, ty, expr) = self.parse_item_global(Some(m))?;
-            (ident, ItemKind::Static(Static(ty, m, expr)))
+            (ident, ItemKind::Static(Static { ty, mutability: m, expr }))
         } else if let Const::Yes(const_span) = self.parse_constness(Case::Sensitive) {
             // CONST ITEM
             if self.token.is_keyword(kw::Impl) {
@@ -863,7 +863,7 @@ impl<'a> Parser<'a> {
                 let kind = match AssocItemKind::try_from(kind) {
                     Ok(kind) => kind,
                     Err(kind) => match kind {
-                        ItemKind::Static(Static(a, _, b)) => {
+                        ItemKind::Static(Static { ty: a, mutability: _, expr: b }) => {
                             self.sess.emit_err(errors::AssociatedStaticItemNotAllowed { span });
                             AssocItemKind::Const(Defaultness::Final, a, b)
                         }

compiler/rustc_resolve/src/build_reduced_graph.rs

@@ -688,8 +688,8 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
             }
 
             // These items live in the value namespace.
-            ItemKind::Static(ast::Static(_, mt, _)) => {
+            ItemKind::Static(ast::Static { mutability, .. }) => {
-                let res = Res::Def(DefKind::Static(mt), def_id);
+                let res = Res::Def(DefKind::Static(mutability), def_id);
                 self.r.define(parent, ident, ValueNS, (res, vis, sp, expansion));
             }
             ItemKind::Const(..) => {

compiler/rustc_resolve/src/late.rs

@@ -2346,7 +2346,8 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> {
                 });
             }
 
-            ItemKind::Static(ast::Static(ref ty, _, ref expr)) | ItemKind::Const(_, ref ty, ref expr) => {
+            ItemKind::Static(ast::Static { ref ty, ref expr, .. })
+            | ItemKind::Const(_, ref ty, ref expr) => {
                 self.with_static_rib(|this| {
                     this.with_lifetime_rib(LifetimeRibKind::Elided(LifetimeRes::Static), |this| {
                         this.visit_ty(ty);

src/tools/clippy/clippy_lints/src/redundant_static_lifetimes.rs

@@ -106,7 +106,7 @@ impl EarlyLintPass for RedundantStaticLifetimes {
                 // #2438)
             }
 
-            if let ItemKind::Static(Static(ref var_type, _, _)) = item.kind {
+            if let ItemKind::Static(Static{ ty: ref var_type,.. }) = item.kind {
                 Self::visit_type(var_type, cx, "statics have by default a `'static` lifetime");
             }
         }

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

@@ -286,7 +286,7 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool {
     match (l, r) {
         (ExternCrate(l), ExternCrate(r)) => l == r,
         (Use(l), Use(r)) => eq_use_tree(l, r),
-        (Static(ast::Static(lt, lm, le)), Static(ast::Static(rt, rm, re))) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re),
+        (Static(ast::Static{ ty: lt, mutability: lm, expr: le}), Static(ast::Static { ty: rt, mutability: rm, expr: re})) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re),
         (Const(ld, lt, le), Const(rd, rt, re)) => eq_defaultness(*ld, *rd) && eq_ty(lt, rt) && eq_expr_opt(le, re),
         (
             Fn(box ast::Fn {

src/tools/rustfmt/src/items.rs

@@ -1805,7 +1805,7 @@ pub(crate) struct StaticParts<'a> {
 impl<'a> StaticParts<'a> {
     pub(crate) fn from_item(item: &'a ast::Item) -> Self {
         let (defaultness, prefix, ty, mutability, expr) = match item.kind {
-            ast::ItemKind::Static(ast::Static(ref ty, mutability, ref expr)) => {
+            ast::ItemKind::Static(ast::Static { ref ty, mutability, ref expr}) => {
                 (None, "static", ty, mutability, expr)
             }
             ast::ItemKind::Const(defaultness, ref ty, ref expr) => {