method

specify_numeric_keys?

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specify_numeric_keys?(filter) private

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# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 1038
      def specify_numeric_keys?(filter)
        if filter.respond_to?(:keys)
          filter.keys.any? { |key| /\A-?\d+\z/.match?(key) }
        end
      end

specify_numeric_keys?

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