A tiny, easily embeddable lisp-shaped language implemented in C89.
(do
(= fib (fn (n)
(if (>= n 2)
(+ (fib (- n 1)) (fib (- n 2)))
n)))
(print (fib 20))) ; prints 6765
This library is free software; you can redistribute it and/or modify it under the terms of the MIT license. See LICENSE for details.