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Rubyのクラスにおける@とselfの整理

Last updated at Posted at 2020-04-05

基本的に、@はインスタンス変数を、selfはメソッドを呼び出す。ただし、attr_accessorで指定したインスタンス変数に関してはselfで呼び出せる。

その心は...

attr_accessor hogeは、インスタンス変数hogeのアクセッサとしてhoge, hoge=メソッドを定義する。

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