Fixed a bug in Array#difference.

2026-06-08 16:11:16 +00:00 · 2019-10-12 12:38:25 +09:00
parent 265034134a
commit 67ea80b2bd
2 changed files with 5 additions and 5 deletions
@@ -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