如果您执行Object.superclass，您将看到它是BasicObject，它本身没有超类。使用BasicObject.public_methods显示其中定义了instance_eval。
Object.superclass
BasicObject
BasicObject.public_methods
instance_eval
对于 BasicObject 上的方法，似乎没有任何文档。
If you do Object.superclass you will see that that is BasicObject which itself has no superclass. Using BasicObject.public_methods reveals that instance_eval is defined there.
There does not seem to be any documentation for the methods on BasicObject.
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如果您执行
Object.superclass，您将看到它是BasicObject，它本身没有超类。使用BasicObject.public_methods显示其中定义了instance_eval。对于
BasicObject上的方法，似乎没有任何文档。If you do
Object.superclassyou will see that that isBasicObjectwhich itself has no superclass. UsingBasicObject.public_methodsreveals thatinstance_evalis defined there.There does not seem to be any documentation for the methods on
BasicObject.