From 27ce1e822b9b5e498aec8ce9efd8efc7c5a80b5f Mon Sep 17 00:00:00 2001
From: DJMcNab <36049421+DJMcNab@users.noreply.github.com>
Date: Mon, 18 Nov 2019 18:13:56 +0000
Subject: Remove the custom impl of AttrsOwner for ImplItem

The default impl should have the same behaviour, and it can be generated
by codegen.
See also `ModuleItem` and `NominalDef`
---
 crates/ra_syntax/src/ast/extensions.rs | 12 +-----------
 crates/ra_syntax/src/ast/generated.rs  |  1 +
 crates/ra_syntax/src/grammar.ron       |  3 ++-
 3 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/crates/ra_syntax/src/ast/extensions.rs b/crates/ra_syntax/src/ast/extensions.rs
index cefc00402..761b2435c 100644
--- a/crates/ra_syntax/src/ast/extensions.rs
+++ b/crates/ra_syntax/src/ast/extensions.rs
@@ -2,7 +2,7 @@
 //! Extensions for various expressions live in a sibling `expr_extensions` module.
 
 use crate::{
-    ast::{self, child_opt, children, AstChildren, AstNode, AttrInput, SyntaxNode},
+    ast::{self, child_opt, children, AstNode, AttrInput, SyntaxNode},
     SmolStr, SyntaxElement,
     SyntaxKind::*,
     SyntaxToken, T,
@@ -176,16 +176,6 @@ impl ast::ImplBlock {
     }
 }
 
-impl ast::AttrsOwner for ast::ImplItem {
-    fn attrs(&self) -> AstChildren<ast::Attr> {
-        match self {
-            ast::ImplItem::FnDef(it) => it.attrs(),
-            ast::ImplItem::TypeAliasDef(it) => it.attrs(),
-            ast::ImplItem::ConstDef(it) => it.attrs(),
-        }
-    }
-}
-
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum StructKind {
     Tuple(ast::TupleFieldDefList),
diff --git a/crates/ra_syntax/src/ast/generated.rs b/crates/ra_syntax/src/ast/generated.rs
index 34b22c3e2..2b381dcdb 100644
--- a/crates/ra_syntax/src/ast/generated.rs
+++ b/crates/ra_syntax/src/ast/generated.rs
@@ -1298,6 +1298,7 @@ impl AstNode for ImplItem {
         }
     }
 }
+impl ast::AttrsOwner for ImplItem {}
 impl ImplItem {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ImplTraitType {
diff --git a/crates/ra_syntax/src/grammar.ron b/crates/ra_syntax/src/grammar.ron
index 0a8fd0612..70d85a8e6 100644
--- a/crates/ra_syntax/src/grammar.ron
+++ b/crates/ra_syntax/src/grammar.ron
@@ -401,7 +401,8 @@ Grammar(
             traits: ["AttrsOwner"]
         ),
         "ImplItem": (
-            enum: ["FnDef", "TypeAliasDef", "ConstDef"]
+            enum: ["FnDef", "TypeAliasDef", "ConstDef"],
+            traits: ["AttrsOwner"]
         ),
 
         "TupleExpr": (
-- 
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