From 5ac737cf88865a1b960ca2120f899069412bf085 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 17 Mar 2014 01:09:07 +0900
Subject: add Enumerable#sort_by

---
 mrblib/enum.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mrblib/enum.rb')

diff --git a/mrblib/enum.rb b/mrblib/enum.rb
index 30ccc8c19..ea032524e 100644
--- a/mrblib/enum.rb
+++ b/mrblib/enum.rb
@@ -390,7 +390,7 @@ module Enumerable
   def sort(&block)
     ary = []
     self.each{|*val| ary.push(val.__svalue)}
-    unless ary.empty?
+    if ary.size > 1
       __sort_sub__(ary, ::Array.new(ary.size), 0, 0, ary.size - 1, &block)
     end
     ary
-- 
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