> For the complete documentation index, see [llms.txt](https://denglj.gitbook.io/essential-go/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://denglj.gitbook.io/essential-go/04-constants.md).

# 04 常量(Const)

- [有类型vs无类型常量](https://denglj.gitbook.io/essential-go/04-constants/you-lei-xing-vs-wu-lei-xing-chang-liang.md)
- [iota](https://denglj.gitbook.io/essential-go/04-constants/iota.md)
- [模拟枚举](https://denglj.gitbook.io/essential-go/04-constants/mo-ni-mei-ju.md)