validate_each

# File activemodel/lib/active_model/validations/numericality.rb, line 19
      def validate_each(record, attr_name, value)
        before_type_cast = :"#{attr_name}_before_type_cast"

        raw_value = record.send(before_type_cast) if record.respond_to?(before_type_cast)
        raw_value ||= value

        return if options[:allow_nil] && raw_value.nil?

        unless value = parse_raw_value_as_a_number(raw_value)
          record.errors.add(attr_name, :not_a_number, filtered_options(raw_value))
          return
        end

        if options[:only_integer]
          unless value = parse_raw_value_as_an_integer(raw_value)
            record.errors.add(attr_name, :not_an_integer, filtered_options(raw_value))
            return
          end
        end

        options.slice(*CHECKS.keys).each do |option, option_value|
          case option
          when :odd, :even
            unless value.to_i.send(CHECKS[option])
              record.errors.add(attr_name, option, filtered_options(value))
            end
          else
            option_value = option_value.call(record) if option_value.is_a?(Proc)
            option_value = record.send(option_value) if option_value.is_a?(Symbol)

            unless value.send(CHECKS[option], option_value)
              record.errors.add(attr_name, option, filtered_options(value).merge(:count => option_value))
            end
          end
        end
      end