From 2b828c68e8acda628d6e3a36827d1ffd9c9aaec6 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 14 Aug 2018 11:20:09 +0300
Subject: separete structure from symbols

---
 crates/libsyntax2/src/ast/mod.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'crates/libsyntax2/src/ast/mod.rs')

diff --git a/crates/libsyntax2/src/ast/mod.rs b/crates/libsyntax2/src/ast/mod.rs
index 18a9f5d17..f001d340e 100644
--- a/crates/libsyntax2/src/ast/mod.rs
+++ b/crates/libsyntax2/src/ast/mod.rs
@@ -10,8 +10,9 @@ use {
 };
 pub use self::generated::*;
 
-pub trait AstNode<R: TreeRoot>: Sized {
-    fn cast(syntax: SyntaxNode<R>) -> Option<Self>;
+pub trait AstNode<R: TreeRoot> {
+    fn cast(syntax: SyntaxNode<R>) -> Option<Self>
+        where Self: Sized;
     fn syntax(&self) -> &SyntaxNode<R>;
 }
 
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