alt Hacker NewsRight. The &pin, &own, and &uninit in the article (or rather everything except & and &mut in that table) do not exist in Rust.
I have seen &pin being proposed recently [1], first time I'm seeing the others.
[1] https://blog.rust-lang.org/2025/11/19/project-goals-update-o...
Own and uninit have been in discussions wrt in place construction. The Rust in the Linux kernel project seems to be the motivating use case for this that really got the effort going recently.