From 67ea80b2bd2df64bbfefd0ba8f74f6eeb52074aa Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 12 Oct 2019 12:38:25 +0900
Subject: Fixed a bug in `Array#difference`.

---
 mrbgems/mruby-array-ext/mrblib/array.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'mrbgems/mruby-array-ext/mrblib')

diff --git a/mrbgems/mruby-array-ext/mrblib/array.rb b/mrbgems/mruby-array-ext/mrblib/array.rb
index 7cec44dba..d4a72a927 100644
--- a/mrbgems/mruby-array-ext/mrblib/array.rb
+++ b/mrbgems/mruby-array-ext/mrblib/array.rb
@@ -133,9 +133,9 @@ class Array
   # preserved from the original array.
   #
   def difference(*args)
-    ary = self.dup
+    ary = self
     args.each do |x|
-      ary = self - x
+      ary = ary - x
     end
     ary
   end
-- 
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