Welcome to the CHICKEN Scheme pasting service
try this added by Bunny351 on Wed Aug 28 16:25:29 2019
(define (foo x y) (if (and (eq? (##sys#slot x 0) y) (eq? (##sys#slot x 0) y)) (##sys#slot x 0) (if (and (eq? (##sys#slot x 0) y) (eq? (##sys#slot x 0) y)) (##sys#slot x 0) (if (and (eq? (##sys#slot x 0) y) (eq? (##sys#slot x 0) y)) (##sys#slot x 0) (if (and (eq? (##sys#slot x 0) y) (eq? (##sys#slot x 0) y)) (##sys#slot x 0) (fail)))))) (foo 123) (foo 456) ;; csc -O2 -d0 -debug 7 -A x.scm