attr_accessor

attr_accessor

#!/usr/bin/env ruby -Ku
# -*- encoding: utf-8 -*-

class T
  def self.access_attribute(name)
    define_method(name) do
      instance_variable_get("@#{name}")
    end
    define_method("#{name}=") do |word|
      instance_variable_set("@#{name}", word)
    end
  end

end

class D < T
  access_attribute :hello
  def initialize(hello)
    @hello = hello
  end
end

d = D.new('Yah!')
p d.hello
d.hello = "YoY"
p d.hello