From c5798c4d75aa807aec47208a49101bdec3affcca Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 30 Jul 2020 18:28:28 +0200
Subject: Finalize impl Grammar

---
 xtask/src/codegen/rust.ungram | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'xtask/src/codegen')

diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index b30658397..cda0e8fbb 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -9,7 +9,7 @@ Item =
 | ExternBlock
 | ExternCrate
 | Fn
-| ImplDef
+| Impl
 | MacroCall
 | Module
 | Static
@@ -131,9 +131,12 @@ Trait =
 AssocItemList =
   '{' AssocItem* '}'
 
-ImplDef =
- Attr* Visibility? 'const'? 'default'? 'unsafe'? 'impl' GenericParamList? '!'? 'for'
- WhereClause?
+Impl =
+ Attr* Visibility?
+ 'default'? 'unsafe'? 'impl' 'const'? GenericParamList? (
+   TypeRef
+ | '!'? TypeRef 'for' TypeRef
+ ) WhereClause?
  AssocItemList
 
 ParenType =
-- 
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