Because Ruby does not require instance variable declaration, the simplest way to model instance variables is with a hash.
由于Ruby并不需要声明实例变量,因此建模实例变量最简单的方式就是使用散列。
Because Ruby does not require instance variable declaration, the simplest way to model instance variables is with a hash.
由于Ruby并不需要声明实例变量,因此建模实例变量最简单的方式就是使用散列。
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