From d9bd77b180a6f9832d5a016af0be29e3399bd8b1 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 5 Nov 2020 14:25:01 +0900
Subject: Fix `A.new([[1,2],3]).flatten` to return `Array`.

---
 mrbgems/mruby-array-ext/mrblib/array.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/mrbgems/mruby-array-ext/mrblib/array.rb b/mrbgems/mruby-array-ext/mrblib/array.rb
index f3246af4f..25669a9ab 100644
--- a/mrbgems/mruby-array-ext/mrblib/array.rb
+++ b/mrbgems/mruby-array-ext/mrblib/array.rb
@@ -209,7 +209,7 @@ class Array
   #    a.flatten(1)              #=> [1, 2, 3, [4, 5]]
   #
   def flatten(depth=nil)
-    res = dup
+    res = Array.new(self)
     res.flatten! depth
     res
   end
-- 
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