From 3dce34aaf83c67836c94a526cb90eba8f36e3985 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 30 Jul 2020 18:52:02 +0200
Subject: Introduce GenericParam

---
 xtask/src/codegen/rust.ungram | 37 +++++++++++++++++++------------------
 1 file changed, 19 insertions(+), 18 deletions(-)

(limited to 'xtask/src/codegen')

diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index cdd3adf45..4025f7f96 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -154,6 +154,25 @@ ExternItemList =
 ExternItem =
   Fn | Static | MacroCall
 
+GenericParamList =
+  '<' (GenericParam (',' GenericParam)* ','?)? '>'
+
+GenericParam =
+  LifetimeParam
+| TypeParam
+| ConstParam
+
+TypeParam =
+  Attr* Name (':' TypeBoundList?)?
+  ('=' default_type:TypeRef)?
+
+ConstParam =
+  Attr* 'const' Name ':' ascribed_type:TypeRef
+  ('=' default_val:Expr)?
+
+LifetimeParam =
+  Attr* 'lifetime'
+
 ParenType =
   '(' TypeRef ')'
 
@@ -400,24 +419,6 @@ MacroStmts =
 Attr =
   '#' '!'? '[' Path ('=' input:AttrInput)? ']'
 
-GenericParamList =
-  '<'
-    TypeParam*
-    LifetimeParam*
-    ConstParam*
-  '>'
-
-TypeParam =
-  Attr* Name (':' TypeBoundList?)?
-  ('=' default_type:TypeRef)?
-
-ConstParam =
-  Attr* 'const' Name ':' ascribed_type:TypeRef
-  ('=' default_val:Expr)?
-
-LifetimeParam =
-  Attr* 'lifetime'
-
 TypeBound =
   'lifetime' | 'const'? TypeRef
 
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