14 October 2024
In July, boats presented a compelling vision in their post pinned places. With the Overwrite trait that I introduced in my previous post, however, I think we can get somewhere even more compelling, albeit at the cost of a tricky transition. As I will argue in this post, the Overwrite trait effectively becomes a better version of the existing Unpin trait, one that effects not only pinned references but also regular &mut references.
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26 September 2024
What would you say if I told you that it was possible to (a) eliminate a lot of “inter-method borrow conflicts” without introducing something like view types and (b) make pinning easier even than boats’s pinned places proposal, all without needing pinned fields or even a pinned keyword? You’d probably say “Sounds great… what’s the catch?” The catch it requires us to change Rust’s fundamental assumption that, given x: &mut T, you can always overwrite *x by doing *x = /* new value */, for any type T: Sized.
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