From 6b525ecbda52bc890bdadf57e4c5b5ae10f47bd8 Mon Sep 17 00:00:00 2001
From: Seo Sanghyeon <sanxiyn@gmail.com>
Date: Wed, 22 May 2013 02:32:29 +0900
Subject: [PATCH] Take string slices

---
 src/libsyntax/print/pprust.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index a535e5d195f2..3904d137faad 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -656,10 +656,10 @@ pub fn visibility_to_str(vis: ast::visibility) -> ~str {
     }
 }
 
-pub fn visibility_qualified(vis: ast::visibility, s: ~str) -> ~str {
+pub fn visibility_qualified(vis: ast::visibility, s: &str) -> ~str {
     match vis {
         ast::private | ast::public => visibility_to_str(vis) + " " + s,
-        ast::inherited => copy s
+        ast::inherited => s.to_owned()
     }
 }