Yes, but I mean that every exception will have an additional cost then, because ... | Hacker News

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

amelius on Jan 18, 2016 | parent | context | favorite | on: Why you cannot have C++ exceptions with a stack tr...

Yes, but I mean that every exception will have an additional cost then, because you will have to copy the stack trace (implicitly or explicitly).

ori_b on Jan 18, 2016 [–]

For many common ABIs, unwinding the stack is relatively cheap compared to decoding the debug info to figure out how to unwind the stack. If you have frame pointers, it's especially cheap -- you're walking a 20 element linked list.

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