DONT_PANIC?

[llogiq]

I wonder if overflower should have a mode that avoids panics distinct from wrap/saturate to do whatever on overflow (e.g. return 0) but avoid panic.

The rationale is that even with wrap (and as of yet saturate), division/remainder can panic when dividing by zero. I don't want to have different semantics from the original wrapping methods, and saturate is more complex and likely slower.

[kevincox]

It would also be great to have a mode where overflow is undefined behavior. It is quite rare that wrapping where someone didn't expect it will fix a bug so for release builds it would be nice to get some extra performance.

[llogiq]

Agreed, this is something I would like to see. However it would require linking LLVM intrinsics not currently available in Rust, and I lack the time to maintain it.