3 Commits (5b2135202895be722a8f508ac9b5e5b8b949cb8c)

Author	SHA1	Message	Date
FengJungle	5b21352028	fix vitual base classes issues: add virtual destruct functions.	2021-04-04 21:09:08 +08:00
FengJungle	b287aed6cc	fix memory leak part 2	2020-11-29 11:17:40 +08:00
FengJungle	3b7a291d50	add Observer Pattern	2019-11-06 21:36:28 +08:00