What is this?

This is made for fun lisp like interpreter in Kotlin. It is heavily based on great work of Daniel Holden and his book http://www.buildyourownlisp.com/

If this is based on Build Your Own Lisp why it is not in C?

Because I am an android developer, and I work mostly with Kotlin, sometimes with Java and don't know C. I thought It will be a lot of fun to use kotlin for this project, and it was :).

Libraries used

• better-parse from h0tk3y Sergey Igushkin used for parsing.
• I tried to implement basic classes I would need to have like lists in a functional way. There are some kotlin std lib classes and methods used but not much.

Things that don't work yet

• equality between types other than number, tbh I forgot about this
• there are some problems with my implementation of joinToString on my list class...
• std lib is a bit incomplete
• there is no way to read from file from inside of interpreter
• there is no way to type multiline expr inside of interpreter
• there are no Strings
• error reporting for some builtin functions is far from perfect

Misc

I really recommend building your own lisp, this was so satisfying that I will probably do it in every language I would like to learn.