Define accessor sample

define_accessor.rb

class Class
  def define_accessor *args
    args.each do |prop|
      self.class_eval do
        define_method prop do
          return instance_variable_get("@#{prop}")
        end
        
        define_method "#{prop}=" do |val|
          return instance_variable_set("@#{prop}", val)
        end
      end
    end
  end
end

class Hoge
  define_accessor :name
end

hoge = Hoge.new
hoge.name = 'hoge'
p hoge.name