Ruby 入門 [インスタンス変数を簡単に操作] - Qiita

class Drink def name ———#①attr_reader :name @name end def name=(text) ———#②attr_write :name @name = text end end drink = Drink.new drink.name="カフェラテ" puts drink.name ↪️カフェラテ class Drink attr_reader :name ———#① attr_writer :name ————#② end drink = Drink.new drink.name="カフェラテ" puts drink.name ↪️カフェラテ