# References
- [TypeScript Official Page](https://www.typescriptlang.org/)
- [The unknown Type in TypeScript](https://mariusschulz.com/blog/the-unknown-type-in-typescript)
- [Post about `never` from Evan Yu](https://www.zhihu.com/question/354601204/answer/888551021)
- [Never](https://jkchao.github.io/typescript-book-chinese/typings/neverType.html)