2 Commits (98fbdf69b2ae7d8bc134c86eb2307d285f45491d)

Author	SHA1	Message	Date
FengJungle	5b21352028	fix vitual base classes issues: add virtual destruct functions.	2021-04-04 21:09:08 +08:00
FengJungle	ba025cb044	add State Pattern	2019-11-09 10:41:43 +08:00