c++ - Question about pure virtual destructor

Question

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

If we define a abstract class which has a pure virtual destructor, why do we have to give a definition of a destructor in the abstract class?

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1 Answer

深蓝 · Answer 1 · 2021-10-17T00:50:16+0000

answered Oct 17, 2021 by 深蓝 (71.8m points)

The destructor for the base class must be called when the object is destroyed, so it needs a definition.

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