Rollup merge of #98110 - cjgillot:closure-brace, r=Aaron1011

JohnTitor · web-flow · commit bd071bf5b239 · 2022-06-15T19:37:14.000+09:00
Make `ExprKind::Closure` a struct variant.

Simple refactor since we both need it to introduce additional fields in `ExprKind::Closure`.

r? ``@Aaron1011``
diff --git a/clippy_lints/src/blocks_in_if_conditions.rs b/clippy_lints/src/blocks_in_if_conditions.rs
@@ -51,7 +51,7 @@ struct ExVisitor<'a, 'tcx> {
 
 impl<'a, 'tcx> Visitor<'tcx> for ExVisitor<'a, 'tcx> {
     fn visit_expr(&mut self, expr: &'tcx Expr<'tcx>) {
-        if let ExprKind::Closure(_, _, eid, _, _) = expr.kind {
+        if let ExprKind::Closure { body, .. } = expr.kind {
             // do not lint if the closure is called using an iterator (see #1141)
             if_chain! {
                 if let Some(parent) = get_parent_expr(self.cx, expr);
@@ -64,7 +64,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ExVisitor<'a, 'tcx> {
                 }
             }
 
-            let body = self.cx.tcx.hir().body(eid);
+            let body = self.cx.tcx.hir().body(body);
             let ex = &body.value;
             if let ExprKind::Block(block, _) = ex.kind {
                 if !body.value.span.from_expansion() && !block.stmts.is_empty() {
diff --git a/clippy_lints/src/bytecount.rs b/clippy_lints/src/bytecount.rs
@@ -51,8 +51,8 @@ impl<'tcx> LateLintPass<'tcx> for ByteCount {
             if count.ident.name == sym::count;
             if let ExprKind::MethodCall(filter, [filter_recv, filter_arg], _) = count_recv.kind;
             if filter.ident.name == sym!(filter);
-            if let ExprKind::Closure(_, _, body_id, _, _) = filter_arg.kind;
-            let body = cx.tcx.hir().body(body_id);
+            if let ExprKind::Closure { body, .. } = filter_arg.kind;
+            let body = cx.tcx.hir().body(body);
             if let [param] = body.params;
             if let PatKind::Binding(_, arg_id, _, _) = strip_pat_refs(param.pat).kind;
             if let ExprKind::Binary(ref op, l, r) = body.value.kind;
diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs
@@ -498,7 +498,7 @@ fn is_linted_explicit_deref_position(parent: Option<Node<'_>>, child_id: HirId,
         | ExprKind::Loop(..)
         | ExprKind::Match(..)
         | ExprKind::Let(..)
-        | ExprKind::Closure(..)
+        | ExprKind::Closure{..}
         | ExprKind::Block(..)
         | ExprKind::Assign(..)
         | ExprKind::AssignOp(..)
diff --git a/clippy_lints/src/eta_reduction.rs b/clippy_lints/src/eta_reduction.rs
@@ -78,7 +78,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction {
             return;
         }
         let body = match expr.kind {
-            ExprKind::Closure(_, _, id, _, _) => cx.tcx.hir().body(id),
+            ExprKind::Closure { body, .. } => cx.tcx.hir().body(body),
             _ => return,
         };
         if body.value.span.from_expansion() {
diff --git a/clippy_lints/src/infinite_iter.rs b/clippy_lints/src/infinite_iter.rs
@@ -158,8 +158,8 @@ fn is_infinite(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness {
                 }
             }
             if method.ident.name == sym!(flat_map) && args.len() == 2 {
-                if let ExprKind::Closure(_, _, body_id, _, _) = args[1].kind {
-                    let body = cx.tcx.hir().body(body_id);
+                if let ExprKind::Closure { body, .. } = args[1].kind {
+                    let body = cx.tcx.hir().body(body);
                     return is_infinite(cx, &body.value);
                 }
             }
diff --git a/clippy_lints/src/loops/needless_range_loop.rs b/clippy_lints/src/loops/needless_range_loop.rs
@@ -369,8 +369,8 @@ impl<'a, 'tcx> Visitor<'tcx> for VarVisitor<'a, 'tcx> {
                     self.visit_expr(expr);
                 }
             },
-            ExprKind::Closure(_, _, body_id, ..) => {
-                let body = self.cx.tcx.hir().body(body_id);
+            ExprKind::Closure { body, .. } => {
+                let body = self.cx.tcx.hir().body(body);
                 self.visit_expr(&body.value);
             },
             _ => walk_expr(self, expr),
diff --git a/clippy_lints/src/loops/never_loop.rs b/clippy_lints/src/loops/never_loop.rs
@@ -182,7 +182,7 @@ fn never_loop_expr(expr: &Expr<'_>, main_loop_id: HirId) -> NeverLoopResult {
             .fold(NeverLoopResult::Otherwise, combine_both),
         ExprKind::Struct(_, _, None)
         | ExprKind::Yield(_, _)
-        | ExprKind::Closure(_, _, _, _, _)
+        | ExprKind::Closure { .. }
         | ExprKind::Path(_)
         | ExprKind::ConstBlock(_)
         | ExprKind::Lit(_)
diff --git a/clippy_lints/src/loops/while_let_on_iterator.rs b/clippy_lints/src/loops/while_let_on_iterator.rs
@@ -220,7 +220,7 @@ fn uses_iter<'tcx>(cx: &LateContext<'tcx>, iter_expr: &IterExpr, container: &'tc
                 if let Some(e) = e {
                     self.visit_expr(e);
                 }
-            } else if let ExprKind::Closure(_, _, id, _, _) = e.kind {
+            } else if let ExprKind::Closure { body: id, .. } = e.kind {
                 if is_res_used(self.cx, self.iter_expr.path, id) {
                     self.uses_iter = true;
                 }
@@ -260,7 +260,7 @@ fn needs_mutable_borrow(cx: &LateContext<'_>, iter_expr: &IterExpr, loop_expr: &
                     if let Some(e) = e {
                         self.visit_expr(e);
                     }
-                } else if let ExprKind::Closure(_, _, id, _, _) = e.kind {
+                } else if let ExprKind::Closure { body: id, .. } = e.kind {
                     self.used_iter = is_res_used(self.cx, self.iter_expr.path, id);
                 } else {
                     walk_expr(self, e);
@@ -307,7 +307,7 @@ fn needs_mutable_borrow(cx: &LateContext<'_>, iter_expr: &IterExpr, loop_expr: &
                     if let Some(e) = e {
                         self.visit_expr(e);
                     }
-                } else if let ExprKind::Closure(_, _, id, _, _) = e.kind {
+                } else if let ExprKind::Closure { body: id, .. } = e.kind {
                     self.used_after = is_res_used(self.cx, self.iter_expr.path, id);
                 } else {
                     walk_expr(self, e);
diff --git a/clippy_lints/src/manual_async_fn.rs b/clippy_lints/src/manual_async_fn.rs
@@ -177,8 +177,8 @@ fn desugared_async_block<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>)
         if let Some(block_expr) = block.expr;
         if let Some(args) = match_function_call(cx, block_expr, &FUTURE_FROM_GENERATOR);
         if args.len() == 1;
-        if let Expr{kind: ExprKind::Closure(_, _, body_id, ..), ..} = args[0];
-        let closure_body = cx.tcx.hir().body(body_id);
+        if let Expr{kind: ExprKind::Closure { body, .. }, ..} = args[0];
+        let closure_body = cx.tcx.hir().body(body);
         if closure_body.generator_kind == Some(GeneratorKind::Async(AsyncGeneratorKind::Block));
         then {
             return Some(closure_body);
diff --git a/clippy_lints/src/manual_ok_or.rs b/clippy_lints/src/manual_ok_or.rs
@@ -88,8 +88,8 @@ fn is_ok_wrapping(cx: &LateContext<'_>, map_expr: &Expr<'_>) -> bool {
         }
     }
     if_chain! {
-        if let ExprKind::Closure(_, _, body_id, ..) = map_expr.kind;
-        let body = cx.tcx.hir().body(body_id);
+        if let ExprKind::Closure { body, .. } = map_expr.kind;
+        let body = cx.tcx.hir().body(body);
         if let PatKind::Binding(_, param_id, ..) = body.params[0].pat.kind;
         if let ExprKind::Call(Expr { kind: ExprKind::Path(ok_path), .. }, &[ref ok_arg]) = body.value.kind;
         if is_lang_ctor(cx, ok_path, ResultOk);
diff --git a/clippy_lints/src/map_clone.rs b/clippy_lints/src/map_clone.rs
@@ -67,9 +67,9 @@ impl<'tcx> LateLintPass<'tcx> for MapClone {
             if method.ident.name == sym::map;
             let ty = cx.typeck_results().expr_ty(&args[0]);
             if is_type_diagnostic_item(cx, ty, sym::Option) || is_trait_method(cx, e, sym::Iterator);
-            if let hir::ExprKind::Closure(_, _, body_id, _, _) = args[1].kind;
+            if let hir::ExprKind::Closure { body, .. } = args[1].kind;
             then {
-                let closure_body = cx.tcx.hir().body(body_id);
+                let closure_body = cx.tcx.hir().body(body);
                 let closure_expr = peel_blocks(&closure_body.value);
                 match closure_body.params[0].pat.kind {
                     hir::PatKind::Ref(inner, hir::Mutability::Not) => if let hir::PatKind::Binding(
diff --git a/clippy_lints/src/map_err_ignore.rs b/clippy_lints/src/map_err_ignore.rs
@@ -117,12 +117,19 @@ impl<'tcx> LateLintPass<'tcx> for MapErrIgnore {
             // only work if the method name is `map_err` and there are only 2 arguments (e.g. x.map_err(|_|[1]
             // Enum::Variant[2]))
             if method.ident.as_str() == "map_err" && args.len() == 2 {
-                // make sure the first argument is a closure, and grab the CaptureRef, body_id, and body_span fields
-                if let ExprKind::Closure(capture, _, body_id, body_span, _) = args[1].kind {
+                // make sure the first argument is a closure, and grab the CaptureRef, BodyId, and fn_decl_span
+                // fields
+                if let ExprKind::Closure {
+                    capture_clause,
+                    body,
+                    fn_decl_span,
+                    ..
+                } = args[1].kind
+                {
                     // check if this is by Reference (meaning there's no move statement)
-                    if capture == CaptureBy::Ref {
+                    if capture_clause == CaptureBy::Ref {
                         // Get the closure body to check the parameters and values
-                        let closure_body = cx.tcx.hir().body(body_id);
+                        let closure_body = cx.tcx.hir().body(body);
                         // make sure there's only one parameter (`|_|`)
                         if closure_body.params.len() == 1 {
                             // make sure that parameter is the wild token (`_`)
@@ -132,7 +139,7 @@ impl<'tcx> LateLintPass<'tcx> for MapErrIgnore {
                                 span_lint_and_help(
                                     cx,
                                     MAP_ERR_IGNORE,
-                                    body_span,
+                                    fn_decl_span,
                                     "`map_err(|_|...` wildcard pattern discards the original error",
                                     None,
                                     "consider storing the original error as a source in the new error, or silence this warning using an ignored identifier (`.map_err(|_foo| ...`)",
diff --git a/clippy_lints/src/map_unit_fn.rs b/clippy_lints/src/map_unit_fn.rs
@@ -169,12 +169,12 @@ fn unit_closure<'tcx>(
     expr: &hir::Expr<'_>,
 ) -> Option<(&'tcx hir::Param<'tcx>, &'tcx hir::Expr<'tcx>)> {
     if_chain! {
-        if let hir::ExprKind::Closure(_, decl, inner_expr_id, _, _) = expr.kind;
-        let body = cx.tcx.hir().body(inner_expr_id);
+        if let hir::ExprKind::Closure { fn_decl, body, .. } = expr.kind;
+        let body = cx.tcx.hir().body(body);
         let body_expr = &body.value;
-        if decl.inputs.len() == 1;
+        if fn_decl.inputs.len() == 1;
         if is_unit_expression(cx, body_expr);
-        if let Some(binding) = iter_input_pats(decl, body).next();
+        if let Some(binding) = iter_input_pats(fn_decl, body).next();
         then {
             return Some((binding, body_expr));
         }
diff --git a/clippy_lints/src/matches/match_single_binding.rs b/clippy_lints/src/matches/match_single_binding.rs
@@ -177,7 +177,7 @@ fn sugg_with_curlies<'a>(
 
     let (mut cbrace_start, mut cbrace_end) = (String::new(), String::new());
     if let Some(parent_expr) = get_parent_expr(cx, match_expr) {
-        if let ExprKind::Closure(..) = parent_expr.kind {
+        if let ExprKind::Closure { .. } = parent_expr.kind {
             cbrace_end = format!("\n{}}}", indent);
             // Fix body indent due to the closure
             indent = " ".repeat(indent_of(cx, bind_names).unwrap_or(0));
diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs
@@ -305,7 +305,7 @@ impl<'a, 'tcx> Visitor<'tcx> for SigDropHelper<'a, 'tcx> {
             ExprKind::Break(_, _) |
             ExprKind::Cast(_, _) |
             // Don't want to check the closure itself, only invocation, which is covered by MethodCall
-            ExprKind::Closure(_, _, _, _, _) |
+            ExprKind::Closure { .. } |
             ExprKind::ConstBlock(_) |
             ExprKind::Continue(_) |
             ExprKind::DropTemps(_) |
diff --git a/clippy_lints/src/methods/bind_instead_of_map.rs b/clippy_lints/src/methods/bind_instead_of_map.rs
@@ -150,11 +150,11 @@ pub(crate) trait BindInsteadOfMap {
         }
 
         match arg.kind {
-            hir::ExprKind::Closure(_, _, body_id, closure_args_span, _) => {
-                let closure_body = cx.tcx.hir().body(body_id);
+            hir::ExprKind::Closure { body, fn_decl_span, .. } => {
+                let closure_body = cx.tcx.hir().body(body);
                 let closure_expr = peel_blocks(&closure_body.value);
 
-                if Self::lint_closure_autofixable(cx, expr, recv, closure_expr, closure_args_span) {
+                if Self::lint_closure_autofixable(cx, expr, recv, closure_expr, fn_decl_span) {
                     true
                 } else {
                     Self::lint_closure(cx, expr, closure_expr)
diff --git a/clippy_lints/src/methods/filter_map.rs b/clippy_lints/src/methods/filter_map.rs
@@ -22,8 +22,8 @@ fn is_method<'tcx>(cx: &LateContext<'tcx>, expr: &hir::Expr<'_>, method_name: Sy
         hir::ExprKind::Path(QPath::Resolved(_, segments)) => {
             segments.segments.last().unwrap().ident.name == method_name
         },
-        hir::ExprKind::Closure(_, _, c, _, _) => {
-            let body = cx.tcx.hir().body(*c);
+        hir::ExprKind::Closure { body, .. } => {
+            let body = cx.tcx.hir().body(*body);
             let closure_expr = peel_blocks(&body.value);
             let arg_id = body.params[0].pat.hir_id;
             match closure_expr.kind {
@@ -106,7 +106,7 @@ pub(super) fn check<'tcx>(
             if is_trait_method(cx, map_recv, sym::Iterator);
 
             // filter(|x| ...is_some())...
-            if let ExprKind::Closure(_, _, filter_body_id, ..) = filter_arg.kind;
+            if let ExprKind::Closure { body: filter_body_id, .. } = filter_arg.kind;
             let filter_body = cx.tcx.hir().body(filter_body_id);
             if let [filter_param] = filter_body.params;
             // optional ref pattern: `filter(|&x| ..)`
@@ -129,7 +129,7 @@ pub(super) fn check<'tcx>(
             if path.ident.name.as_str() == if is_result { "is_ok" } else { "is_some" };
 
             // ...map(|x| ...unwrap())
-            if let ExprKind::Closure(_, _, map_body_id, ..) = map_arg.kind;
+            if let ExprKind::Closure { body: map_body_id, .. } = map_arg.kind;
             let map_body = cx.tcx.hir().body(map_body_id);
             if let [map_param] = map_body.params;
             if let PatKind::Binding(_, map_param_id, map_param_ident, None) = map_param.pat.kind;
diff --git a/clippy_lints/src/methods/option_as_ref_deref.rs b/clippy_lints/src/methods/option_as_ref_deref.rs
@@ -51,8 +51,8 @@ pub(super) fn check<'tcx>(
             .map_or(false, |fun_def_id| {
                 deref_aliases.iter().any(|path| match_def_path(cx, fun_def_id, path))
             }),
-        hir::ExprKind::Closure(_, _, body_id, _, _) => {
-            let closure_body = cx.tcx.hir().body(body_id);
+        hir::ExprKind::Closure { body, .. } => {
+            let closure_body = cx.tcx.hir().body(body);
             let closure_expr = peel_blocks(&closure_body.value);
 
             match &closure_expr.kind {
diff --git a/clippy_lints/src/methods/option_map_or_none.rs b/clippy_lints/src/methods/option_map_or_none.rs
@@ -71,27 +71,26 @@ pub(super) fn check<'tcx>(
     if is_option {
         let self_snippet = snippet(cx, recv.span, "..");
         if_chain! {
-        if let hir::ExprKind::Closure(_, _, id, span, _) = map_arg.kind;
-            let arg_snippet = snippet(cx, span, "..");
-            let body = cx.tcx.hir().body(id);
-                if let Some((func, [arg_char])) = reduce_unit_expression(&body.value);
-                if let Some(id) = path_def_id(cx, func).map(|ctor_id| cx.tcx.parent(ctor_id));
-                if Some(id) == cx.tcx.lang_items().option_some_variant();
-                then {
-                    let func_snippet = snippet(cx, arg_char.span, "..");
-                    let msg = "called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling \
-                       `map(..)` instead";
-                    return span_lint_and_sugg(
-                        cx,
-                        OPTION_MAP_OR_NONE,
-                        expr.span,
-                        msg,
-                        "try using `map` instead",
-                        format!("{0}.map({1} {2})", self_snippet, arg_snippet,func_snippet),
-                        Applicability::MachineApplicable,
-                    );
-                }
-
+            if let hir::ExprKind::Closure { body, fn_decl_span, .. } = map_arg.kind;
+            let arg_snippet = snippet(cx, fn_decl_span, "..");
+            let body = cx.tcx.hir().body(body);
+            if let Some((func, [arg_char])) = reduce_unit_expression(&body.value);
+            if let Some(id) = path_def_id(cx, func).map(|ctor_id| cx.tcx.parent(ctor_id));
+            if Some(id) == cx.tcx.lang_items().option_some_variant();
+            then {
+                let func_snippet = snippet(cx, arg_char.span, "..");
+                let msg = "called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling \
+                   `map(..)` instead";
+                return span_lint_and_sugg(
+                    cx,
+                    OPTION_MAP_OR_NONE,
+                    expr.span,
+                    msg,
+                    "try using `map` instead",
+                    format!("{0}.map({1} {2})", self_snippet, arg_snippet,func_snippet),
+                    Applicability::MachineApplicable,
+                );
+            }
         }
 
         let func_snippet = snippet(cx, map_arg.span, "..");
diff --git a/clippy_lints/src/methods/search_is_some.rs b/clippy_lints/src/methods/search_is_some.rs
@@ -41,8 +41,8 @@ pub(super) fn check<'tcx>(
             let mut applicability = Applicability::MachineApplicable;
             let any_search_snippet = if_chain! {
                 if search_method == "find";
-                if let hir::ExprKind::Closure(_, _, body_id, ..) = search_arg.kind;
-                let closure_body = cx.tcx.hir().body(body_id);
+                if let hir::ExprKind::Closure { body, .. } = search_arg.kind;
+                let closure_body = cx.tcx.hir().body(body);
                 if let Some(closure_arg) = closure_body.params.get(0);
                 then {
                     if let hir::PatKind::Ref(..) = closure_arg.pat.kind {
diff --git a/clippy_lints/src/methods/unnecessary_filter_map.rs b/clippy_lints/src/methods/unnecessary_filter_map.rs
@@ -18,8 +18,8 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, arg: &hir::Expr<
         return;
     }
 
-    if let hir::ExprKind::Closure(_, _, body_id, ..) = arg.kind {
-        let body = cx.tcx.hir().body(body_id);
+    if let hir::ExprKind::Closure { body, .. } = arg.kind {
+        let body = cx.tcx.hir().body(body);
         let arg_id = body.params[0].pat.hir_id;
         let mutates_arg =
             mutated_variables(&body.value, cx).map_or(true, |used_mutably| used_mutably.contains(&arg_id));
diff --git a/clippy_lints/src/methods/unnecessary_fold.rs b/clippy_lints/src/methods/unnecessary_fold.rs
@@ -29,8 +29,8 @@ pub(super) fn check(
     ) {
         if_chain! {
             // Extract the body of the closure passed to fold
-            if let hir::ExprKind::Closure(_, _, body_id, _, _) = acc.kind;
-            let closure_body = cx.tcx.hir().body(body_id);
+            if let hir::ExprKind::Closure { body, .. } = acc.kind;
+            let closure_body = cx.tcx.hir().body(body);
             let closure_expr = peel_blocks(&closure_body.value);
 
             // Check if the closure body is of the form `acc <op> some_expr(x)`
diff --git a/clippy_lints/src/methods/unnecessary_lazy_eval.rs b/clippy_lints/src/methods/unnecessary_lazy_eval.rs
@@ -22,8 +22,8 @@ pub(super) fn check<'tcx>(
     let is_result = is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), sym::Result);
 
     if is_option || is_result {
-        if let hir::ExprKind::Closure(_, _, eid, _, _) = arg.kind {
-            let body = cx.tcx.hir().body(eid);
+        if let hir::ExprKind::Closure { body, .. } = arg.kind {
+            let body = cx.tcx.hir().body(body);
             let body_expr = &body.value;
 
             if usage::BindingUsageFinder::are_params_used(cx, body) {
diff --git a/clippy_lints/src/mixed_read_write_in_expression.rs b/clippy_lints/src/mixed_read_write_in_expression.rs
@@ -112,7 +112,7 @@ struct DivergenceVisitor<'a, 'tcx> {
 impl<'a, 'tcx> DivergenceVisitor<'a, 'tcx> {
     fn maybe_walk_expr(&mut self, e: &'tcx Expr<'_>) {
         match e.kind {
-            ExprKind::Closure(..) => {},
+            ExprKind::Closure { .. } => {},
             ExprKind::Match(e, arms, _) => {
                 self.visit_expr(e);
                 for arm in arms {
@@ -243,7 +243,7 @@ fn check_expr<'a, 'tcx>(vis: &mut ReadVisitor<'a, 'tcx>, expr: &'tcx Expr<'_>) -
                 walk_expr(vis, expr);
             }
         },
-        ExprKind::Closure(_, _, _, _, _) => {
+        ExprKind::Closure { .. } => {
             // Either
             //
             // * `var` is defined in the closure body, in which case we've reached the top of the enclosing
@@ -315,7 +315,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ReadVisitor<'a, 'tcx> {
             // We're about to descend a closure. Since we don't know when (or
             // if) the closure will be evaluated, any reads in it might not
             // occur here (or ever). Like above, bail to avoid false positives.
-            ExprKind::Closure(_, _, _, _, _) |
+            ExprKind::Closure{..} |
 
             // We want to avoid a false positive when a variable name occurs
             // only to have its address taken, so we stop here. Technically,
diff --git a/clippy_lints/src/needless_for_each.rs b/clippy_lints/src/needless_for_each.rs
diff --git a/clippy_lints/src/no_effect.rs b/clippy_lints/src/no_effect.rs
diff --git a/clippy_lints/src/only_used_in_recursion.rs b/clippy_lints/src/only_used_in_recursion.rs
diff --git a/clippy_lints/src/redundant_closure_call.rs b/clippy_lints/src/redundant_closure_call.rs
diff --git a/clippy_lints/src/unit_return_expecting_ord.rs b/clippy_lints/src/unit_return_expecting_ord.rs
diff --git a/clippy_lints/src/unnecessary_sort_by.rs b/clippy_lints/src/unnecessary_sort_by.rs
diff --git a/clippy_lints/src/utils/author.rs b/clippy_lints/src/utils/author.rs
diff --git a/clippy_utils/src/eager_or_lazy.rs b/clippy_utils/src/eager_or_lazy.rs
diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs
diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs
diff --git a/clippy_utils/src/sugg.rs b/clippy_utils/src/sugg.rs
diff --git a/clippy_utils/src/usage.rs b/clippy_utils/src/usage.rs

Original file line number	Diff line number	Diff line change
`@@ -78,7 +78,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction {`
`78`	`78`	`return;`
`79`	`79`	`}`
`80`	`80`	`let body = match expr.kind {`
`81`		`- ExprKind::Closure(_, _, id, _, _) => cx.tcx.hir().body(id),`
	`81`	`+ ExprKind::Closure { body, .. } => cx.tcx.hir().body(body),`
`82`	`82`	`_ => return,`
`83`	`83`	`};`
`84`	`84`	`if body.value.span.from_expansion() {`
Original file line number	Diff line number	Diff line change
`@@ -158,8 +158,8 @@ fn is_infinite(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness {`
`158`	`158`	`}`
`159`	`159`	`}`
`160`	`160`	`if method.ident.name == sym!(flat_map) && args.len() == 2 {`
`161`		`- if let ExprKind::Closure(_, _, body_id, _, _) = args[1].kind {`
`162`		`- let body = cx.tcx.hir().body(body_id);`
	`161`	`+ if let ExprKind::Closure { body, .. } = args[1].kind {`
	`162`	`+ let body = cx.tcx.hir().body(body);`
`163`	`163`	`return is_infinite(cx, &body.value);`
`164`	`164`	`}`
`165`	`165`	`}`
Original file line number	Diff line number	Diff line change
`@@ -88,8 +88,8 @@ fn is_ok_wrapping(cx: &LateContext<'_>, map_expr: &Expr<'_>) -> bool {`
`88`	`88`	`}`
`89`	`89`	`}`
`90`	`90`	`if_chain! {`
`91`		`- if let ExprKind::Closure(_, _, body_id, ..) = map_expr.kind;`
`92`		`- let body = cx.tcx.hir().body(body_id);`
	`91`	`+ if let ExprKind::Closure { body, .. } = map_expr.kind;`
	`92`	`+ let body = cx.tcx.hir().body(body);`
`93`	`93`	`if let PatKind::Binding(_, param_id, ..) = body.params[0].pat.kind;`
`94`	`94`	`if let ExprKind::Call(Expr { kind: ExprKind::Path(ok_path), .. }, &[ref ok_arg]) = body.value.kind;`
`95`	`95`	`if is_lang_ctor(cx, ok_path, ResultOk);`