# File lib/aws/record/attributes/float.rb, line 22
      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