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But the point of unsafe {} in Rust is not that you should never use it, it's that it creates a clear boundary between code that is safe and the code that needs
by slopinthebag 2mo ago
But the point of unsafe {} in Rust is not that you should never use it, it's that it creates a clear boundary between code that is safe and the code that needs that lower level control. In other languages, everything is inside an unsafe block. If everything you do requires such low level control over every allocation and access, it sounds like you should be using assembly.
- uecker 2mo agoWhile I think this is a good idea, I think this the importance is massively exaggerated. Not everything in other languages is unsafe, there are also different features one can distinguish where some are safe and some are not. It is not as clearly labelled and a set of features one must screen for instead of one keyword, but pretending this then makes it everything unsafe is disingenuous. At the same time, the distinction is Rust is also not always that clear, as the correctness of the unsafe block may depend on logic outside of the block while soundness of the safe parts may be compromised by issues in the unsafe blocks.
- pocksuppet 1mo agoWhat is the benefit of having a boundary?