# File lib/aws/dynamo_db/types.rb, line 23
      def value_from_response(hash)
        (type, value) = hash.to_a.first
        case type
        when "S", :s
          value
        when "SS", :ss
          Set[*value]
        when "N", :n
          BigDecimal(value.to_s)
        when "NS", :ns
          Set[*value.map { |v| BigDecimal(v.to_s) }]
        end
      end