Simple things should be simple, complex things should be possible.

-- Alan Kay

A simple Lisp interpreter for Java. It is heavily inspired by amake/TinyLisp, with additional features:

• JSON representation, which makes it ready for visualization
• A simple debugger to trace every step of the evaluation
• Compact formatting to one line
• Reactive playground
• Good enough performance, comparing to SpEL or Groovy
• 75+ Built-in functions for math, text and date-time handling
• Null safety for all built-in functions

参考阅读：Lisp之根源