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attr_readerメソッド

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attr_readerメソッド

インスタンス変数を呼び出すメソッドを定義するメソッド

class #クラス名
  attr_reader :name

  def initialize(name)
    @name = name
  end
end

attr_readerを使用しない場合

class #クラス名
  def initialize(name)
    @name = name
  end
#この部分の記述をattr_reader :nameに省略できる
  def name
    @name
  end

記述を省略できる

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