DesignPattern/24.VisitorPattern
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 Visitor Pattern 2019-11-10 22:59:08 +08:00
2.Code fix vitual base classes issues: add virtual destruct functions. 2021-04-04 21:09:08 +08:00