FengJungle 5b21352028 fix vitual base classes issues: add virtual destruct functions.		2021-04-04 21:09:08 +08:00
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1.Picture	add Chain-of-Responsibility Pattern	2019-10-29 22:14:19 +08:00
2.Code	fix vitual base classes issues: add virtual destruct functions.	2021-04-04 21:09:08 +08:00