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Because Rust doesn't have a specification, we can argue back and forth forever about whether something is part of the "language design". The point is that we know how to solve the problem by desugaring [1] in a way that everyone basically expects to happen already. It's not going to break a significant amount of code: even the bigger sledgehammer of banning contravariance on function types was measured to not have much of an impact.
As far as I can tell, the main reason to argue "language design" vs. "compiler bug" is to imply that language design issues threaten to bring down the entire foundation of the language. It doesn't work like that. Rust's type system isn't like a mathematical proof, where either the theorem is true or it's false and one mistake in the proof could invalidate the whole thing. It's a tool to help programmers avoid memory safety issues, and it's proven to be extremely good at that in practice. If there are problems with Rust's type system, they're identified and patched.
[1]: https://github.com/rust-lang/rust/issues/25860#issuecomment-...
Oh, cool. They implemented a `download_more_ram()` function![0]
Does it crash safely as well? I did not test it, I more than 640 KB of ram.
- [0] https://github.com/Speykious/cve-rs/blob/d51f52dd64f148a086e...
This tool is probably the fastest in its class - does this code look like having a lot of lifetimes or other cryptic syntax?
- https://github.com/pkolaczk/latte/blob/main/src/main.rs
- https://github.com/pkolaczk/latte/blob/main/src/exec.rs
There was one fundamental "aha" moment for me when it clicked: move semantics.
> If someone plopped me in front of a rust codebase I'd be at the mercy of the manual for quite a long time.
This is not a representative sample of Rust. That's explicitly triggering edge cases which requires abuse of syntax you wouldn't normally see.
Check out this for something more realistic that anyone should understand https://github.com/ratatui-org/ratatui/blob/main/examples/ca...