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> In Rust, you can’t even use proper arenas You definitely can and this is done a lot. What you might mean is that you can't use standard library's collections
by afdbcreid 1mo ago
> In Rust, you can’t even use proper arenas
You definitely can and this is done a lot. What you might mean is that you can't use standard library's collections with them (this is getting stabilized soon!) and have to use third-party, but that is a different thing than "can't use arenas".
> Rust is not a good choice for this kind of tricks.
Rust can do those tricks, but it's true that it is hard than in C or Zig. That said there are often crates to help.
- f311a 1mo agoStabilized soon, really? They did not stabilize it after 10 years and were thinking about different approach. I thought it’s dead.
- kibwen 1mo agoYes, really. The design has been decided upon ( https://hackmd.io/nNHdKkp1TTK7jat0I-ABqA https://hackmd.io/nNHdKkp1TTK7jat0I-ABqA ) and the implementation has been updated to match ( https://github.com/rust-lang/rust/pull/157428 https://github.com/rust-lang/rust/pull/157428 ). The stabilization PR is just waiting on final approval by the relevant team members, with no remaining concerns currently listed: https://github.com/rust-lang/rust/pull/156882#issuecomment-5350668934 https://github.com/rust-lang/rust/pull/156882#issuecomment-5...