Owl is a naïve Lisp interpreter written in TypeScript.

• TCO (Tail call optimization).
• Macros
• Try/catch style exception handling
• Basic data structures and utils like list,vector,hash-map,atom etc.
• File operations.
• And more...

npm install
npm link

If you prefer yarn:

yarn && yarn link

npm test

or

yarn test

• http://www.yinwang.org/blog-cn/2012/08/01/interpreter
• https://github.com/kanaka/mal

• jestjs/jest#6389

• jestjs/jest#3552

• jestjs/jest#8069

  for those facing this issue: this happened after Node v11.11. the quickest fix is to downgrade Node to 11.10.1 in your CI lock file until further investigation