Rollup merge of #105359 - flba-eb:thread_local_key_sentinel_value, r=m-ou-se

[rust.git] / compiler / rustc_builtin_macros / src / deriving / decodable.rs

diff --git a/compiler/rustc_builtin_macros/src/deriving/decodable.rs b/compiler/rustc_builtin_macros/src/deriving/decodable.rs
index 6d14875a9832293f7d238fdd7e525c385b57326a..62af02c2bb4b2d35304cf4eafd42036fba31d5ef 100644 (file)
--- a/compiler/rustc_builtin_macros/src/deriving/decodable.rs
+++ b/compiler/rustc_builtin_macros/src/deriving/decodable.rs
@@ -78,11 +78,11 @@ fn decodable_substructure(
     let blkarg = Ident::new(sym::_d, trait_span);
     let blkdecoder = cx.expr_ident(trait_span, blkarg);
 
-    let expr = match *substr.fields {
-        StaticStruct(_, ref summary) => {
-            let nfields = match *summary {
-                Unnamed(ref fields, _) => fields.len(),
-                Named(ref fields) => fields.len(),
+    let expr = match substr.fields {
+        StaticStruct(_, summary) => {
+            let nfields = match summary {
+                Unnamed(fields, _) => fields.len(),
+                Named(fields) => fields.len(),
             };
             let fn_read_struct_field_path: Vec<_> =
                 cx.def_site_path(&[sym::rustc_serialize, sym::Decoder, sym::read_struct_field]);
@@ -119,7 +119,7 @@ fn decodable_substructure(
                 ],
             )
         }
-        StaticEnum(_, ref fields) => {
+        StaticEnum(_, fields) => {
             let variant = Ident::new(sym::i, trait_span);
 
             let mut arms = Vec::with_capacity(fields.len() + 1);
@@ -194,10 +194,10 @@ fn decode_static_fields<F>(
 where
     F: FnMut(&mut ExtCtxt<'_>, Span, Symbol, usize) -> P<Expr>,
 {
-    match *fields {
-        Unnamed(ref fields, is_tuple) => {
+    match fields {
+        Unnamed(fields, is_tuple) => {
             let path_expr = cx.expr_path(outer_pat_path);
-            if !is_tuple {
+            if !*is_tuple {
                 path_expr
             } else {
                 let fields = fields
@@ -209,7 +209,7 @@ fn decode_static_fields<F>(
                 cx.expr_call(trait_span, path_expr, fields)
             }
         }
-        Named(ref fields) => {
+        Named(fields) => {
             // use the field's span to get nicer error messages.
             let fields = fields
                 .iter()