Fix A.new([[1,2],3]).flatten to return Array.

2026-06-08 16:11:16 +00:00 · 2020-11-05 14:25:01 +09:00
parent 4e535080dc
commit d9bd77b180
1 changed files with 1 additions and 1 deletions
@@ -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