From bc423583a4a31d54fb35e728f1a464da0915f2e6 Mon Sep 17 00:00:00 2001
From: osa1 <omeragacan@gmail.com>
Date: Fri, 29 Nov 2013 10:06:21 +0200
Subject: [PATCH] don't create intermediate string while creating json
 (rustdoc)

---
 src/librustdoc/lib.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index c5b2125c163c4..26450ead73982 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -324,7 +324,6 @@ fn json_output(crate: clean::Crate, res: ~[plugins::PluginJson], dst: Path) {
     json.insert(~"crate", crate_json);
     json.insert(~"plugins", json::Object(plugins_json));
 
-    let mut file = File::create(&dst).unwrap();
-    let output = json::Object(json).to_str();
-    file.write(output.as_bytes());
+    let file = @mut File::create(&dst).unwrap();
+    json::Object(json).to_writer(file as @mut io::Writer);
 }