class Hash

def _deep_transform_values_in_object!(object, &block)
  case object
  when Hash
    object.transform_values! { |value| _deep_transform_values_in_object!(value, &block) }
  when Array
    object.map! { |e| _deep_transform_values_in_object!(e, &block) }
  else
    yield(object)
  end
end