gistfile1.txt

class LoggerClass
  def self.attr_logger(attribute_name)
    class_eval "def #{attribute_name}; @#{attribute_name}; end"
    class_eval "def #{attribute_name}=(val); @#{attribute_name} = val; end"
  end
end

class Person < LoggerClass
  attr_logger :age
  attr_logger :name
end

p Person.instance_methods(false)

chad = Person.new
chad.age = 321
puts chad.age
puts chad.name