From Rosetta Code
This programming language may be used to instruct a computer to perform a task.
Official website
Execution method: Interpreted
Garbage collected: Yes
Type checking: Dynamic
See Also:

Listed below are all of the tasks on Rosetta Code which have been solved using Fe.

fe is a tiny, embeddable language implemented in ANSI C.

 (= reverse (fn (lst)
  (let res nil)
  (while lst
    (= res (cons (car lst) res))
    (= lst (cdr lst))
 (= animals '("cat" "dog" "fox"))
 (print (reverse animals)) ; => ("fox" "dog" "cat")


  • Supports numbers, symbols, strings, pairs, lambdas, macros
  • Lexically scoped variables, closures
  • Small memory usage within a fixed-sized memory region — no mallocs
  • Simple mark and sweep garbage collector
  • Easy to use C API
  • Portable ANSI C — works on 32 and 64bit
  • Concise — less than 800 sloc



The library focuses on being lightweight and minimal; pull requests will likely not be merged. Bug reports and questions are welcome.


This library is free software; you can redistribute it and/or modify it under the terms of the MIT license. See LICENSE for details.