extract_details

# File actionview/lib/action_view/renderer/abstract_renderer.rb, line 159
      def extract_details(options) # :doc:
        details = nil
        LookupContext.registered_details.each do |key|
          value = options[key]

          if value
            (details ||= {})[key] = Array(value)
          end
        end
        details || NO_DETAILS
      end