[coderatlarge]

can it execute the y-combinator?

[f1shy]

I’m pretty sure does not handle TCO… so probably not, unless with a huge stack.

[gbacon]

See tinylisp-extras.c for TCO.

https://github.com/Robert-van-Engelen/tinylisp/blob/2d0fb35b...

[spyrja]

It doesn't appear to, but you could always add this to the included common.lisp file:

  (define Y (lambda (f) (lambda args ((f (Y f)) . args))))