class ActiveRecord::Store::IndifferentCoder

def initialize(attr_name, coder_or_class_name)
  @coder =
    if coder_or_class_name.respond_to?(:load) && coder_or_class_name.respond_to?(:dump)
      coder_or_class_name
    else
      ActiveRecord::Coders::YAMLColumn.new(attr_name, coder_or_class_name || Object)
    end
end