这个函数调用直到程序结束时才真正销毁该数据结构。
This function call does not destroy the data structure until the program ends.
这样就可以确保在适配器被销毁时数据不会丢失。
This ensures that the data is not lost when the adapter is destroyed.
你为什么要销毁数据？
也就是说，它会在对象销毁时删除数据指针。
That is, it will delete the Pointers of data at the object destruction.
也就是说，它会在对象销毁时删除数据指针。
That is, it will delete the Pointers of data at the object destruction.
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