> For the complete documentation index, see [llms.txt](https://wskdsgcf.gitbook.io/mastering-go-zh-cn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wskdsgcf.gitbook.io/mastering-go-zh-cn/3-go-ji-ben-shu-ju-lei-xing/03.4-go-ying-she-map.md).

# 03.4 Go 映射(map)

- [03.4.1 Map值为nil的坑](https://wskdsgcf.gitbook.io/mastering-go-zh-cn/3-go-ji-ben-shu-ju-lei-xing/03.4-go-ying-she-map/03.4.1.md)
- [03.4.2 何时该使用Map?](https://wskdsgcf.gitbook.io/mastering-go-zh-cn/3-go-ji-ben-shu-ju-lei-xing/03.4-go-ying-she-map/03.4.2.md)