[kibwen]

Bah, darn you for changing the RFC out from under me. :P

I don't understand the point of specifying wrapped behavior in unchecked mode rather than leaving the value unspecified. Surely we don't care about properly accommodating use cases that will panic in debug mode.

[dbaupp]

It makes it easier to have assurances about the behaviour of the program, even in error cases, https://github.com/rust-lang/rfcs/pull/560#issuecomment-6999...