By arranging for objects of different types to implement common methods, we move the dispatch decision into the objects and out of an explicit conditional block.
通过安排不同类型的对象来执行公共方法,我们将分派决定移到对象中并从显式条件块中消除。
By arranging for objects of different types to implement common methods, we move the dispatch decision into the objects and out of an explicit conditional block.
通过安排不同类型的对象来执行公共方法,我们将分派决定移到对象中并从显式条件块中消除。
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