update dir

2026-04-15 11:00:18 +08:00 · 2019-08-06 13:38:00 +08:00
parent 5e33459d8b
commit 3d44c8af08
9 changed files with 193 additions and 0 deletions
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@
 - [x] [extern那些事](./extern)
 - [x] [struct那些事](./struct)
 - [x] [struct与class那些事](./struct_class)
+- [x] [union那些事](./union)
+- [x] [c实现c++多态](./c_poly)

 代码运行：
 全部在linux下用vim编写，使用gcc/g++调试！全部可正常运行！