validate_each

# File activemodel/lib/active_model/validations/length.rb, line 40
      def validate_each(record, attribute, value)
        value_length = value.respond_to?(:length) ? value.length : value.to_s.length
        errors_options = options.except(*RESERVED_OPTIONS)

        CHECKS.each do |key, validity_check|
          next unless check_value = options[key]

          if !value.nil? || skip_nil_check?(key)
            case check_value
            when Proc
              check_value = check_value.call(record)
            when Symbol
              check_value = record.send(check_value)
            end
            next if value_length.send(validity_check, check_value)
          end

          errors_options[:count] = check_value

          default_message = options[MESSAGES[key]]
          errors_options[:message] ||= default_message if default_message

          record.errors.add(attribute, MESSAGES[key], errors_options)
        end
      end