> For the complete documentation index, see [llms.txt](https://gitbook.existorlive.cn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook.existorlive.cn/kai-fa-yu-yan-xue-xi/swift/6.-han-shu.md).

# 6.函数

- [函数](https://gitbook.existorlive.cn/kai-fa-yu-yan-xue-xi/swift/6.-han-shu/1.-han-shu.md)
- [函数返回值](https://gitbook.existorlive.cn/kai-fa-yu-yan-xue-xi/swift/6.-han-shu/2.-han-shu-fan-hui-zhi.md)
- [函数类型](https://gitbook.existorlive.cn/kai-fa-yu-yan-xue-xi/swift/6.-han-shu/3.-han-shu-lei-xing.md)