Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Yes, you're right. The fact that they leave the behavior of union in this case undefined in the standard is surprising to me. The fact that SBCL and GNU CLISP implement it the way they do is just bizarre to me.


It was probably left in for better performance. Glad I could help.




Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: