# File lib/aws/record/attributes.rb, line 232
        def self.type_cast raw_value, options = {}
          case raw_value
          when nil   then nil
          when ''    then nil
          when Float then raw_value
          else
            raw_value.respond_to?(:to_f) ?
              raw_value.to_f :
              raw_value.to_s.to_f
          end
        end