From b2cdb0b22631a66a00be25ba4b2e9c0b34ff426a Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 30 Jul 2020 18:15:08 +0200
Subject: Fix param gramamr

---
 xtask/src/codegen/rust.ungram | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index ef7c3e50e..4f7f6403e 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -66,8 +66,11 @@ SelfParam =
   )
 
 Param =
-  Attr* Pat (':' ascribed_type:TypeRef)
-| '...'
+  Attr* (
+    Pat (':' ascribed_type:TypeRef)
+  | ascribed_type:TypeRef
+  | '...'
+  )
 
 RetType =
   '->' TypeRef
-- 
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