fix bad style for structs

Author: Electron-libre

src/libsyntax/diagnostics/plugin.rs

@@ -34,7 +34,9 @@ pub fn expand_diagnostic_used<'cx>(ecx: &'cx mut ExtCtxt<'_>,
                                    token_tree: &[TokenTree])
                                    -> Box<dyn MacResult+'cx> {
     let code = match token_tree {
-        &[TokenTree::Token(Token { kind: token::Ident(code, _), .. })] => code,
+        &[
+            TokenTree::Token(Token { kind: token::Ident(code, _), .. })
+        ] => code,
         _ => unreachable!()
     };
 
@@ -67,12 +69,16 @@ pub fn expand_register_diagnostic<'cx>(ecx: &'cx mut ExtCtxt<'_>,
                                        token_tree: &[TokenTree])
                                        -> Box<dyn MacResult+'cx> {
     let (code, description) = match  token_tree {
-        &[TokenTree::Token(Token { kind: token::Ident(code, _), .. })] => {
+        &[
+            TokenTree::Token(Token { kind: token::Ident(code, _), .. })
+        ] => {
             (code, None)
         },
-        &[TokenTree::Token(Token { kind: token::Ident(code, _), .. }),
-          TokenTree::Token(Token { kind: token::Comma, .. }),
-          TokenTree::Token(Token { kind: token::Literal(token::Lit { symbol, .. }), ..})] => {
+        &[
+            TokenTree::Token(Token { kind: token::Ident(code, _), .. }),
+            TokenTree::Token(Token { kind: token::Comma, .. }),
+            TokenTree::Token(Token { kind: token::Literal(token::Lit { symbol, .. }), ..})
+        ] => {
             (code, Some(symbol))
         },
         _ => unreachable!()

src/libsyntax/parse/mod.rs

@@ -426,34 +426,34 @@ mod tests {
 
             match tts {
                 &[
-                    TokenTree::Token(Token {kind: token::Ident(name_macro_rules, false), ..}),
-                    TokenTree::Token(Token {kind: token::Not, ..}),
-                    TokenTree::Token(Token {kind: token::Ident(name_zip, false), ..}),
+                    TokenTree::Token(Token { kind: token::Ident(name_macro_rules, false), .. }),
+                    TokenTree::Token(Token { kind: token::Not, .. }),
+                    TokenTree::Token(Token { kind: token::Ident(name_zip, false), .. }),
                     TokenTree::Delimited(_, macro_delim, ref macro_tts)
                 ]
                 if name_macro_rules == sym::macro_rules && name_zip.as_str() == "zip" => {
                     let tts = &macro_tts.trees().collect::<Vec<_>>();
                     match tts {
                         &[
                             TokenTree::Delimited(_, first_delim, ref first_tts),
-                            TokenTree::Token(Token {kind: token::FatArrow, ..}),
+                            TokenTree::Token(Token { kind: token::FatArrow, .. }),
                             TokenTree::Delimited(_, second_delim, ref second_tts),
                         ]
                         if macro_delim == token::Paren => {
                             let tts = &first_tts.trees().collect::<Vec<_>>();
                             match tts {
                                 &[
-                                    TokenTree::Token(Token {kind: token::Dollar, ..}),
-                                    TokenTree::Token(Token {kind: token::Ident(name, false), ..}),
+                                    TokenTree::Token(Token { kind: token::Dollar, .. }),
+                                    TokenTree::Token(Token { kind: token::Ident(name, false), .. }),
                                 ]
                                 if first_delim == token::Paren && name.as_str() == "a" => {},
                                 _ => panic!("value 3: {:?} {:?}", first_delim, first_tts),
                             }
                             let tts = &second_tts.trees().collect::<Vec<_>>();
                             match tts {
                                 &[
-                                    TokenTree::Token(Token {kind: token::Dollar, ..}),
-                                    TokenTree::Token(Token {kind: token::Ident(name, false), ..}),
+                                    TokenTree::Token(Token { kind: token::Dollar, .. }),
+                                    TokenTree::Token(Token { kind: token::Ident(name, false), .. }),
                                 ]
                                 if second_delim == token::Paren && name.as_str() == "a" => {},
                                 _ => panic!("value 4: {:?} {:?}", second_delim, second_tts),