# File lib/active_support/vendor/i18n-0.4.1/i18n/locale/fallbacks.rb, line 58
      def initialize(*mappings)
        @map = {}
        map(mappings.pop) if mappings.last.is_a?(Hash)
        self.defaults = mappings.empty? ? [I18n.default_locale.to_sym] : mappings
      end