Move `attributes_before_type_cast` to `AttributeSet`

1 files changed, 5 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/attribute_set.rb b/activerecord/lib/active_record/attribute_set.rb
index 102ef17e16..f545fa8a9a 100644
--- a/activerecord/lib/active_record/attribute_set.rb
+++ b/activerecord/lib/active_record/attribute_set.rb
@@ -1,11 +1,15 @@
 module ActiveRecord
   class AttributeSet # :nodoc:
-    delegate :[], :[]=, :fetch, :include?, :keys, :each_with_object, to: :attributes
+    delegate :[], :[]=, :fetch, :include?, :keys, to: :attributes
 
     def initialize(attributes)
       @attributes = attributes
     end
 
+    def values_before_type_cast
+      attributes.each_with_object({}) { |(k, v), h| h[k] = v.value_before_type_cast }
+    end
+
     def update(other)
       attributes.update(other.attributes)
     end