From 214d02040e1c46b8cac47451bf2f0e2fc15a3e0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A1=D0=BA=D0=BE=D0=B2=D0=BE=D1=80=D0=BE=D0=B4=D0=B0=20?=
 =?UTF-8?q?=D0=9D=D0=B8=D0=BA=D0=B8=D1=82=D0=B0=20=D0=90=D0=BD=D0=B4=D1=80?=
 =?UTF-8?q?=D0=B5=D0=B5=D0=B2=D0=B8=D1=87?= <chalkerx@gmail.com>
Date: Wed, 20 May 2015 22:26:37 +0300
Subject: [PATCH] util: speed up common case of formatting string

PR-URL: https://github.com/nodejs/io.js/pull/1749
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
---
 lib/util.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/util.js b/lib/util.js
index c00b4ad2cc7..401d55bbe82 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -13,6 +13,8 @@ exports.format = function(f) {
     return objects.join(' ');
   }
 
+  if (arguments.length === 1) return f;
+
   var i = 1;
   var args = arguments;
   var len = args.length;