Type Punning in C and C++

(blog.pwkf.org)

15 points | by ingve 52 minutes ago

2 comments

antiloper 9 minutes ago
> The C vs C++ distinction here is genuinely treacherous
What's so genuine about this?
K0IN 25 minutes ago
Does reinterpret_cast works in c++ for this?
[-]
- sheafification 17 minutes ago
  Yeah, but it’s got some caveats and is unsafe in some cases.
  https://en.cppreference.com/cpp/language/reinterpret_cast
- jasode 13 minutes ago
  reinterpret_cast<> for punning purposes can lead to UB. The recommended C++ alternative to avoid UB is bit_cast<>
  https://stackoverflow.com/questions/53401654/why-was-stdbit-...