this post was submitted on 11 Jun 2026
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Programming
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I recently picked up embedded in Rust and I often stumble upon the pattern of taking buffer references into structures, and I would want to pack the buffer and the struct that uses it together, but I don't want to do self referential magic, so for now I keep buffers passed around everywhere
Yeah. That's a huge issue rust has. However, it can't be solved with Rc.
You either do it in safe rust, by "cheating" the borrow checker and storing a size offset of the buffer instead of a reference. Or just use unsafe rust and store a raw pointer alongside the buffer.
I mean, I don't think that is a big issue, most of the time you don't need self reference, and when you absolutely need there is a way even if not very simple one