# 索引 [![badge](https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fgezf7g7pd5.execute-api.ap-northeast-1.amazonaws.com%2Fdefault%2Fsource_up_to_date%3Fowner%3Derg-lang%26repos%3Derg%26ref%3Dmain%26path%3Ddoc/EN/index.md%26commit_hash%3Deccd113c1512076c367fb87ea73406f91ff83ba7)](https://gezf7g7pd5.execute-api.ap-northeast-1.amazonaws.com/default/source_up_to_date?owner=erg-lang&repos=erg&ref=main&path=doc/EN/index.md&commit_hash=eccd113c1512076c367fb87ea73406f91ff83ba7) ## [API/](./API/index.md) 本节介绍 Erg 的内置或标准库提供的子程序、类型、常量等的规范 ## [compiler/](./compiler/index.md) 描述 Erg 编译器的设计(厘米) ## [dev_guide/](./dev_guide/index.md) 它解释了项目的发展政策,如何做出贡献等 ## [python/](./python/index.md) 解释了开发 Erg 所需的 Python 知识 ## [syntax/](./syntax/00_basic.md) Erg 的语法进行了解释 ## [tools/](./tools/index.md) 解释如何使用 Erg 的外围工具和命令选项。