From bbcca4f735870246c8ed8ce1a29af100e09b0a6f Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 22 Aug 2019 15:20:07 +0300
Subject: make ast object safe

---
 crates/ra_assists/src/ast_editor.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'crates/ra_assists')

diff --git a/crates/ra_assists/src/ast_editor.rs b/crates/ra_assists/src/ast_editor.rs
index 5b6952426..076df98f2 100644
--- a/crates/ra_assists/src/ast_editor.rs
+++ b/crates/ra_assists/src/ast_editor.rs
@@ -19,7 +19,10 @@ pub struct AstEditor<N: AstNode> {
 }
 
 impl<N: AstNode> AstEditor<N> {
-    pub fn new(node: N) -> AstEditor<N> {
+    pub fn new(node: N) -> AstEditor<N>
+    where
+        N: Clone,
+    {
         AstEditor { original_ast: node.clone(), ast: node }
     }
 
@@ -379,7 +382,7 @@ impl AstBuilder<ast::MatchArmList> {
 
 fn ast_node_from_file_text<N: AstNode>(text: &str) -> N {
     let parse = SourceFile::parse(text);
-    let res = parse.tree().syntax().descendants().find_map(N::cast).unwrap().to_owned();
+    let res = parse.tree().syntax().descendants().find_map(N::cast).unwrap();
     res
 }
 
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