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Rust is generally safer than Zig, but unsafe Rust is/was (mid)designed in such way that it's almost guaranteed to blow in your face eventually.

I don't know if mutable noalias has been already enabled for good, but even if there are no changes between compiler versions, those mutable noalias rules are super-tricky to get right.

In Zig, a pointer is just regular thing, you take care, but most pointers are arena-allocated anyway, and that's a bit like runtime-branded lifetime (which is great and Rust cannot do that, at least not in idiomatic Rust).

I meant to link it earlier: https://news.ycombinator.com/item?id=42942618

Wait, how come you even have HolyC experience?

For a few years I was a highly-paid TempleOS sysadmin for a fortune 500 company.

Just kidding ;) It was hobby development, of course. Building demos and games in HolyC was how I finally started learning lower-level software.