Le mercredi 21 juin 2023 à 11:06 +0200, Jean Abou Samra a écrit :
> Le lundi 19 juin 2023 à 16:20 +0400, Andrew Tropin a écrit :
> > +      (if (eq? old-value (atomic-box-compare-and-swap! box old-value new-value))
> 
> 
> Are you sure eq? is a good idea here? (eq? 5 5) is unspecified, for example. Perhaps eqv? would be more appropriate.

(P.S. And according to the manual, even (let ((a 5)) (eq? a a)) is unspecified.)