类的实例变量:ruby中的类变量和类例子变量
首先在ruby1.8中类变量是所有子类和父类共享可以看下面代码: IntelligentLe @@home_planet = nil def self.home_planet @@home_planet end def self.home_planet=(x) @@home_planet = x end #... end Terran IntelligentLe ... [阅读全文]
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