The short version
An article explaining why undefined behavior exists and where C and C++ overuse it.
From the HackerLinks archive
Undefined Behavior: What Happened to My Code?
An article explaining why undefined behavior exists and where C and C++ overuse it.
At a glance:
First seen:2026-09-19
Last seen:2026-09-19
Times seen:1
Website:ralfj.de
Why it caught our attention
A commenter explicitly recommended it as a nuanced explanation of undefined behavior.
Where it surfaced on Hacker News
2026-09-19
“I recommend this explanation of why UB is good and necessary”
ameliaquining · recommendation
Direct HN comment
C++26: Trivial infinite loops are no longer undefined behaviour