> Check out https://counterexamples.org/

A few past discussions if anyone is curious:

Counterexamples in type systems (2021) - https://news.ycombinator.com/item?id=48718972 - June 2026 (4 comments)

Counterexamples in Type Systems: programs that crash, segfault or explode (2021) - https://news.ycombinator.com/item?id=36213704 - June 2023 (97 comments)

Counterexamples in Type Systems - https://news.ycombinator.com/item?id=27252899 - May 2021 (62 comments)