Call uniq! for each union processing in Array#union.

2026-06-08 16:11:16 +00:00 · 2018-10-12 19:00:14 +09:00
parent 249fef7dc4
commit ab0f4db688
1 changed files with 3 additions and 3 deletions
@@ -143,11 +143,11 @@ class Array
  #
  def union(*args)
    ary = self.dup
-    args.each_with_index do |x,i|
+    args.each do |x|
      ary.concat(x)
-      ary.uniq! if i % 20 == 0
+      ary.uniq!
    end
-    ary.uniq! or ary
+    ary
  end

  ##