DesignPattern/14.ChainOfResponsibility
FengJungle df4294e6b8 set released pointer to nullptr. 2022-03-09 23:09:06 +08:00
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1.Picture add Chain-of-Responsibility Pattern 2019-10-29 22:14:19 +08:00
2.Code set released pointer to nullptr. 2022-03-09 23:09:06 +08:00