From 2e354f480b0b83debc06a4311a9709cd8c0df305 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 25 Jan 2019 02:09:31 +0300
Subject: use ToOwned trait instead of inherent method

---
 crates/ra_syntax/src/ast.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'crates/ra_syntax/src/ast.rs')

diff --git a/crates/ra_syntax/src/ast.rs b/crates/ra_syntax/src/ast.rs
index bcbd4c60c..b92cc082e 100644
--- a/crates/ra_syntax/src/ast.rs
+++ b/crates/ra_syntax/src/ast.rs
@@ -15,12 +15,13 @@ use crate::{
 /// conversion itself has zero runtime cost: ast and syntax nodes have exactly
 /// the same representation: a pointer to the tree root and a pointer to the
 /// node itself.
-pub trait AstNode: rowan::TransparentNewType<Repr = rowan::SyntaxNode<RaTypes>> {
+pub trait AstNode:
+    rowan::TransparentNewType<Repr = rowan::SyntaxNode<RaTypes>> + ToOwned<Owned = TreeArc<Self>>
+{
     fn cast(syntax: &SyntaxNode) -> Option<&Self>
     where
         Self: Sized;
     fn syntax(&self) -> &SyntaxNode;
-    fn to_owned(&self) -> TreeArc<Self>;
 }
 
 pub trait AstToken: AstNode {
-- 
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