└─┬ assets: images, etc.
├─ CODE_OF_CONDUCT: Code of Conduct
├─┬ crates
│ ├─ els: Erg Language Server
│ ├─ erg_common: common utility
│ ├─ erg_compiler: Compiler, **core of Erg**
│ └─ erg_parser: Parser
├─┬doc
│ ├─┬ EN
│ │ ├─ API: Erg standard API
│ │ ├─ compiler: About compiler implementation
│ │ ├─ dev_guide: Guide for developers and contributors
│ │ ├─ python: Python knowledge required for Erg development
│ │ ├─ syntax: Erg syntax
│ │ └─ tools: Erg command line tools
│ └─┬ JA
│ ...
├─ examples: sample code
├─ library: Erg script library
├─ src: directory where main.rs and driver are placed
└─ tests: test code