Simplify Enumerable#each_with_object

activesupport/lib/active_support/core_ext/enumerable.rb

@@ -77,11 +77,10 @@ def sum(identity = 0, &block)
   #   (1..5).each_with_object(1) { |value, memo| memo *= value } # => 1
   #
   def each_with_object(memo, &block)
-    returning memo do |m|
-      each do |element|
-        block.call(element, m)
-      end
+    each do |element|
+      block.call(element, memo)
     end
+    memo
   end unless [].respond_to?(:each_with_object)
 
   # Convert an enumerable to a hash. Examples: