add changelog

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sunface
2022-03-05 17:42:15 +08:00
parent 5817ab25de
commit f4d33a4aee
2 changed files with 6 additions and 1 deletions

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# ChangeLog
### 2022-03-05
- Add [Trati object](https://practice.rs/generics-traits/trait-object.html)
### 2022-03-05
- Add [Traits chapter](https://practice.rs/generics-traits/traits.html) and solutions