Welcome to Hy’s documentation!

Try Hy:

https://try-hy.appspot.com

PyPI:

https://pypi.python.org/pypi/hy

Source:

https://github.com/hylang/hy

List:

hylang-discuss

IRC:

#hy on Freenode

Build status:

Hy is a wonderful dialect of Lisp that’s embedded in Python.

Since Hy transforms its Lisp code into the Python Abstract Syntax Tree, you have the whole beautiful world of Python at your fingertips, in Lisp form!

Documentation Index

Contents:

• Quickstart
• Tutorial
  • Basic intro to Lisp for Pythonistas
  • Hy is a Lisp-flavored Python
  • Macros
  • Hy <-> Python interop
  • Protips!
• Hy Style Guide
  • Prelude
    • The Tao of Hy
  • Layout & Indentation
  • Coding Style
  • Conclusion
  • Thanks
• Documentation Index
  • Command Line Interface
    • hy
    • hyc
    • hy2py
  • Hy (the language)
    • Theory of Hy
    • Notes on Syntax
    • Built-Ins
  • Hy Core
    • Core Functions
    • Sequence Functions
  • Reader Macros
    • Syntax
    • Implementation
  • Internal Hy Documentation
    • Hy Models
    • Cons Cells
    • Hy Internal Theory
    • Hy Macros
    • Hy Compiler Built-Ins
• Contributor Modules Index
  • Anaphoric Macros
    • ap-if
    • ap-each
    • ap-each-while
    • ap-map
    • ap-map-when
    • ap-filter
    • ap-reject
    • ap-dotimes
    • ap-first
    • ap-last
    • ap-reduce
    • ap-pipe
    • ap-compose
    • xi
  • loop/recur
    • Macros
  • defmulti
  • Flow
    • Macros
  • Alias macros
    • Macros
• Hacking on Hy
  • Join our Hyve!
  • Hack!
  • Test!
  • Document!
  • Contributing
  • Contributor Guidelines
  • Contributor Code of Conduct
  • Core Team